@ARTICLE{
author={Makajic-Nikolic Dragana,Vujosevic Mirko B,Nikolic Nebojsa T},
year={2013},
title={Minimal cut sets of a coherent fault tree generation using reverse Petri nets},
journal={OPTIMIZATION},
volume={62},
number={8},
pages={1069-1087},
document_type={Article},
} 

@ARTICLE{
author={Ciric Ljubomir B,Nikolic Nebojsa T},
year={2008},
title={Convergence of the Ishikawa iterates for multi-valued mappings in convex metric spaces},
journal={Georgian Mathematical Journal},
volume={15},
number={1},
pages={39-43},
document_type={Article},
} 

@ARTICLE{
author={Ciric Ljubomir B,Ume Jeong Sheok,Nikolic Nebojsa T},
year={2007},
title={On two pairs of non-self hybrid mappings},
journal={JOURNAL OF THE AUSTRALIAN MATHEMATICAL SOCIETY},
volume={83},
number={},
pages={17-29},
document_type={Article},
} 

@ARTICLE{
author={Ciric Ljubomir B,Nikolic Nebojsa T,Ume Jeong Sheok},
year={2006},
title={Common fixed point theorems for weakly compatible quasi contraction mappings},
journal={ACTA MATHEMATICA HUNGARICA},
volume={113},
number={4},
pages={257-267},
document_type={Article},
}