Keckic Dragoljub J,Lazovic Zlatko (2025) Clarkson-McCarthy Inequality on a Locally Compact Group, COMPLEX ANALYSIS AND OPERATOR THEORY, vol. 19, br. 8, str. - (Article) 

Keckic Dragoljub J,Stefanovic Srdjan (2023) Isolated vertices and diameter of the BJ-orthograph in C*-algebras, JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS, vol. 528, br. 1, str. - (Article) 

Keckic Dragoljub J (2020) The Applications of Cauchy-Schwartz Inequality for Hilbert Modules to Elementary Operators and IPTI Transformers, APPLICABLE ANALYSIS AND DISCRETE MATHEMATICS, vol. 14, br. 1, str. 169-182 (Article) 

Keckic Dragoljub J,Lazovic Zlatko (2019) Measures of Noncompactness on the Standard Hilbert C*-Module, FILOMAT, vol. 33, br. 12, str. 3683-3695 (Article) 

Keckic Dragoljub J (2019) Continuous Generalization of Clarkson-Mccarthy Inequalities, BANACH JOURNAL OF MATHEMATICAL ANALYSIS, vol. 13, br. 1, str. 26-46 (Article) 

Keckic Dragoljub J,Lazovic Zlatko (2018) Compact and "Compact" Operators on Standard Hilbert Modules Over W*-Algebras, ANNALS OF FUNCTIONAL ANALYSIS, vol. 9, br. 2, str. 258-270 (Article) 

Keckic Dragoljub J,Vujosevic Biljana (2015) On the Index of Product Systems of Hilbert Modules, FILOMAT, vol. 29, br. 5, str. 1093-1111 (Article) 

Keckic Dragoljub J (2013) Cyclic kernels of elementary operators on Banach spaces, LINEAR ALGEBRA AND ITS APPLICATIONS, vol. 438, br. 5, str. 2628-2633 (Article) 

Arandjelovic Ivan D,Keckic Dragoljub J (2012) Symmetric spaces approach to some fixed point results, NONLINEAR ANALYSIS-THEORY METHODS & APPLICATIONS, vol. 75, br. 13, str. 5157-5168 (Article) 

Arandjelovic Ivan D,Keckic Dragoljub J (2011) On nonlinear quasi-contractions on TVS-cone metric spaces, APPLIED MATHEMATICS LETTERS, vol. 24, br. 7, str. 1209-1213 (Article) 

Keckic Dragoljub J,Krtinic Djordje M (2011) A Functional Calculus for Unbounded Generalized Scalar Operators on Banach Spaces, PACIFIC JOURNAL OF MATHEMATICS, vol. 249, br. 1, str. 135-156 (Article) 

Arsenovic Milos M,Keckic Dragoljub J (2006) Elementary operators on Banach algebras and Fourier transform, STUDIA MATHEMATICA, vol. 173, br. 2, str. 149-166 (Article) 

Keckic Dragoljub J (2005) Gateaux derivative of B(H) norm, PROCEEDINGS OF THE AMERICAN MATHEMATICAL SOCIETY, vol. 133, br. 7, str. 2061-2067 (Article) 

Keckic Dragoljub J (2004) Orthogonality in G(1) and G(infinity) spaces and normal derivations, JOURNAL OF OPERATOR THEORY, vol. 51, br. 1, str. 89-104 (Article) 

Arsenovic Milos M,Keckic Dragoljub J (2003) Bergman spaces on the complement of a lattice, ARCHIV DER MATHEMATIK, vol. 81, br. 5, str. 575-584 (Article) 

Keckic Dragoljub J (2000) Orthogonality of the range and the kernel of some elementary operators, PROCEEDINGS OF THE AMERICAN MATHEMATICAL SOCIETY, vol. 128, br. 11, str. 3369-3377 (Article)