@ARTICLE{
author={Afanasiev VL,Shapovalova Alla I,Popovic Luka C,Borisov NV},
year={2015},
title={Spectropolarimetric monitoring of active galaxy 3C 390.3 with 6-m telescope SAO RAS in the period 2009-2014},
journal={MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY},
volume={448},
number={3},
pages={2879-2889},
document_type={Article},
} 

@ARTICLE{
author={Afanasiev VL,Popovic Luka C,Shapovalova Alla I,Borisov NV,Ilic Dragana J},
year={2014},
title={Variability in spectropolarimetric properties of Sy 1.5 galaxy Mrk 6},
journal={MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY},
volume={440},
number={1},
pages={519-529},
document_type={Article},
}