Shapovalova Alla I,Popovic Luka C,Afanasiev VL,Ilic Dragana J,Kovacevic Andjelka B,Burenkov Alexander N,Chavushyan Vahram H,Marceta-Mandic Sladjana,Spiridonova O,Valdes JR,Bochkarev Nikolai G,Patino-Alvarez V,Carrasco L,Zhdanova VE (2019) Long-term optical spectral monitoring of a changing-look active galactic nucleus NGC 3516-I. Continuum and broad-line flux variability, MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, vol. 485, br. 4, str. 4790-4803 (Article) 

Afanasiev VL,Popovic Luka C,Shapovalova Alla I (2019) Spectropolarimetry of Seyfert 1 galaxies with equatorial scattering: black hole masses and broad-line region characteristics, MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, vol. 482, br. 4, str. 4985-4999 (Article) 

Kovacevic Andjelka B,Perez-Hernandez Ernesto,Popovic Luka C,Shapovalova Alla I,Kollatschny Wolfram,Ilic Dragana J (2018) Oscillatory patterns in the light curves of five long-term monitored type 1 active galactic nuclei, MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, vol. 475, br. 2, str. 2051-2066 (Article) 

Shapovalova Alla I,Popovic Luka C,Chavushyan Vahram H,Afanasiev VL,Ilic Dragana J,Kovacevic Andjelka B,Burenkov Alexander N,Kollatschny Wolfram,Spiridonova O,Valdes JR,Bochkarev Nikolai G,Patino-Alvarez V,Carrasco L,Zhdanova VE (2017) Long-term optical spectral monitoring of NGC 7469, MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, vol. 466, br. 4, str. 4759-4775 (Article) 

Kovacevic Andjelka B,Popovic Luka C,Shapovalova Alla I,Ilic Dragana J (2017) Periodicity in the continua and broad line curves of a quasar E1821+643, ASTROPHYSICS AND SPACE SCIENCE, vol. 362, br. 2, str. - (Article) 

Shapovalova Alla I,Popovic Luka C,Chavushyan Vahram H,Burenkov Alexander N,Ilic Dragana J,Kollatschny Wolfram,Kovacevic Andjelka B,Valdes JR,Patino-Alvarez V,Leon-Tavares J,Torrealba J,Zhdanova VE (2016) First Long-Term Optical Spectral Monitoring of a Binary Black Hole Candidate E1821+643. I. Variability of Spectral Lines and Continuum, ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, vol. 222, br. 2, str. - (Article) 

Kovacevic Andjelka B,Popovic Luka C,Shapovalova Alla I,Ilic Dragana J,Burenkov Alexander N,Chavushyan Vahram H (2015) Time Delay Evolution of Five Active Galactic Nuclei, JOURNAL OF ASTROPHYSICS AND ASTRONOMY, vol. 36, br. 4, str. 475-493 (Article) 

Ilic Dragana J,Popovic Luka C,Shapovalova Alla I,Burenkov Alexander N,Chavushyan Vahram H,Kovacevic Andjelka B (2015) Line Shape Variability in a Sample of AGN with Broad Lines, JOURNAL OF ASTROPHYSICS AND ASTRONOMY, vol. 36, br. 4, str. 433-445 (Article) 

Afanasiev VL,Shapovalova Alla I,Popovic Luka C,Borisov NV (2015) Spectropolarimetric monitoring of active galaxy 3C 390.3 with 6-m telescope SAO RAS in the period 2009-2014, MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, vol. 448, br. 3, str. 2879-2889 (Article) 

Popovic Luka C,Shapovalova Alla I,Ilic Dragana J,Burenkov Alexander N,Chavushyan Vahram H,Kollatschny Wolfram,Kovacevic Andjelka B,Valdes JR,Leon-Tavares J,Bochkarev Nikolai G,Patino-Alvarez V,Torrealba J (2014) Spectral optical monitoring of the double-peaked emission line AGN Arp 102B II. Variability of the broad line properties, ASTRONOMY & ASTROPHYSICS, vol. 572, br. , str. - (Article) 

Kovacevic Andjelka B,Popovic Luka C,Shapovalova Alla I,Ilic Dragana J,Burenkov Alexander N,Chavushyan Vahram H (2014) Time series analysis of active galactic nuclei: The case of Arp 102B, 3C 390.3, NGC 5548 and NGC 4051, ADVANCES IN SPACE RESEARCH, vol. 54, br. 7, str. 1414-1428 (Article) 

Afanasiev VL,Popovic Luka C,Shapovalova Alla I,Borisov NV,Ilic Dragana J (2014) Variability in spectropolarimetric properties of Sy 1.5 galaxy Mrk 6, MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, vol. 440, br. 1, str. 519-529 (Article) 

Shapovalova Alla I,Popovic Luka C,...,Ilic Dragana J,...,Kovacevic Andjelka B,...,(broj koautora 17) (2013) Spectral optical monitoring of a double-peaked emission line AGN Arp 102B Variability of spectral lines and continuum, ASTRONOMY & ASTROPHYSICS, vol. 559, br. , str. - (Article) 

Ilic Dragana J,Popovic Luka C,Shapovalova Alla I,Burenkov Alexander N,Kollatschny Wolfram,Kovacevic Andjelka B,Chavushyan Vahram H,La Mura Giovanni,Rafanelli Piero (2012) Broad emission lines: A tool for studying nuclei of active galaxies, XXI INTERNATIONAL CONFERENCE ON SPECTRAL LINE SHAPES (ICSLS 2012), vol. 397, br. , str. - (Proceedings Paper) 

Shapovalova Alla I,Popovic Luka C,Burenkov Alexander N,Chavushyan Vahram H,Ilic Dragana J,Kovacevic Andjelka B,Kollatschny Wolfram,Kovacevic Jelena M,Bochkarev Nikolay G,Valdes JR,Torrealba J,Leon-Tavares J,Mercado Abelardo,Benitez E,Carrasco L,Dultzin D,de la Fuente E (2012) Spectral Optical Monitoring of the Narrow-Line Seyfert 1 Galaxy Ark 564, ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, vol. 202, br. 1, str. - (Article) 

Shapovalova Alla I,Popovic Luka C,Ilic Dragana J,Kovacevic Andjelka B,Kovacevic Jelena M,Burenkov Alexander N,Chavushyan Vahram H (2011) Spectral Monitoring of Agn: Preliminary Results for Ark 564 and Arp 102b, BALTIC ASTRONOMY, vol. 20, br. 3, str. 476-480 (Article) 

Popovic Luka C,Shapovalova Alla I,Ilic Dragana J,Kovacevic Andjelka B,Kollatschny Wolfram,Burenkov Alexander N,Chavushyan Vahram H,Bochkarev Nikolai G,Leon-Tavares J (2011) Spectral optical monitoring of 3C 390.3 in 1995-2007 II. Variability of the spectral line parameters, ASTRONOMY & ASTROPHYSICS, vol. 528, br. , str. - (Article) 

Ilic Dragana J,Shapovalova Alla I,Popovic Luka C,Burenkov Alexander N,Chavushyan Vahram H,Kovacevic Andjelka B,Bochkarev Nikolai G,Leon-Tavares J (2010) Long-Term Variability of the Broad H alpha and H beta Emission-Line Profiles of NGC 4151, CO-EVOLUTION OF CENTRAL BLACK HOLES AND GALAXIES, vol. 267, br. , str. 400-400 (Proceedings Paper) 

Ilic Dragana J,Popovic Luka C,Shapovalova Alla I,Leon-Tavares J,Chavushyan Vahram H (2010) Possible Outflow in the Broad Line Region of Active Galactic Nuclei, ACCRETION AND EJECTION IN AGN : A GLOBAL VIEW, vol. 427, br. , str. 110-111 (Proceedings Paper) 

Shapovalova Alla I,Popovic Luka C,Burenkov Alexander N,Chavushyan Vahram H,Ilic Dragana J,Kollatschny Wolfram,Kovacevic Andjelka B,Bochkarev Nikolai G,Carrasco L,Leon-Tavares J,Mercado Abelardo,Valdes JR,Vlasuyk VV,De la Fuente E (2010) Spectral optical monitoring of 3C 390.3 in 1995-2007 I. Light curves and flux variation in the continuum and broad lines, ASTRONOMY & ASTROPHYSICS, vol. 517, br. , str. - (Article) 

Shapovalova Alla I,Popovic Luka C,Burenkov Alexander N,Chavushyan Vahram H,Ilic Dragana J,Kovacevic Andjelka B,Bochkarev Nikolai G,Leon-Tavares J (2010) Long-term variability of the optical spectra of NGC4151 II. Evolution of the broad H alpha and H beta emission-line profiles, ASTRONOMY & ASTROPHYSICS, vol. 509, br. , str. - (Article) 

Kovacevic Andjelka B,Shapovalova Alla I,Popovic Luka C,Burenkov Alexander N,Chavushyan Vahram H (2009) 1d and 2d Reverberation Mapping Applied on the H-beta Line of NGC 4151, PROCEEDINGS OF THE XV NATIONAL CONFERENCE OF ASTRONOMERS OF SERBIA, vol. 86, br. , str. 279-282 (Proceedings Paper) 

Shapovalova Alla I,Popovic Luka C,Bochkarev Nikolai G,Burenkov Alexander N,Chavushyan Vahram H,Collin S,Doroshenko VT,Ilic Dragana J,Kovacevic Andjelka B (2009) Long-term variability of the Broad Emission Line profiles in AGN, NEW ASTRONOMY REVIEWS, vol. 53, br. 7-10, str. 191-197 (Proceedings Paper) 

Kovacevic Andjelka B,Shapovalova Alla I,Popovic Luka C,Burenkov Alexander N,Chavushyan Vahram H (2008) The Blr Structure Of Ngc4151-possible Outflow Model, 24TH SUMMER SCHOOL AND INTERNATIONAL SYMPOSIUM ON THE PHYSICS OF IONIZED GASES, CONTRIBUTED PAPERS, vol. , br. 84, str. 471-474 (Proceedings Paper) 

Shapovalova Alla I,Popovic Luka C,Collin S,Burenkov Alexander N,Chavushyan Vahram H,Bochkarev Nikolay G,Benitez E,Dultzin D,Kovacevic Andjelka B,Borisov N,Carrasco L,Leon-Tavares J,Mercado Abelardo,Valdes JR,Vlasuyk VV,Zhdanova VE (2008) Long-term variability of the optical spectra of NGC 4151 - I. Light curves and flux correlations, ASTRONOMY & ASTROPHYSICS, vol. 486, br. 1, str. 99-U81 (Article) 

Popovic Luka C,Shapovalova Alla I,Chavushyan Vahram H,Ilic Dragana J,Burenkov Alexander N,Mercado Abelardo,Bochkarev Nikolay G (2008) Probing the physical properties of the NGC 5548 broad line region using balmer lines, PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN, vol. 60, br. 1, str. 1-9 (Article) 

Ilic Dragana J,La Mura Giovanni,Popovic Luka C,Shapovalova Alla I,Ciroi Stefano,Chavushyan Vahram H,Rafanelli Piero,Burenkov Alexander N,Marcado A (2007) Physical properties of the broad-line region, CENTRAL ENGINE OF ACTIVE GALACTIC NUCLEI, vol. 373, br. , str. 405-406 (Proceedings Paper) 

Kovacevic Andjelka B,Shapovalova Alla I,Popovic Luka C,Bochkarev Nikolai G,Burenkov Alexander N,Chavushyan Vahram H (2007) Time lag between the optical continuum and line variabilities of NGC 4151, SPECTRAL LINE SHAPES IN ASTROPHYSICS, vol. 938, br. , str. 98-103 (Proceedings Paper)