@ARTICLE{
author={Kostic Vladimir R,Varga RS,Cvetkovic Ljiljana},
year={2012},
title={Localization of generalized eigenvalues by Cartesian ovals},
journal={NUMERICAL LINEAR ALGEBRA WITH APPLICATIONS},
volume={19},
number={4},
pages={728-741},
document_type={Article},
} 

@ARTICLE{
author={Kostic Vladimir R,Cvetkovic Ljiljana,Varga RS},
year={2009},
title={Gersgorin-type localizations of generalized eigenvalues},
journal={NUMERICAL LINEAR ALGEBRA WITH APPLICATIONS},
volume={16},
number={11-12},
pages={883-898},
document_type={Article},
} 

@ARTICLE{
author={Varga RS,Cvetkovic Ljiljana,Kostic Vladimir R},
year={2008},
title={Approximation of the minimal gersgorin set of a square complex matrix},
journal={ELECTRONIC TRANSACTIONS ON NUMERICAL ANALYSIS},
volume={30},
number={},
pages={398-405},
document_type={Article},
} 

@ARTICLE{
author={Cvetkovic Ljiljana,Kostic Vladimir R,Varga RS},
year={2004},
title={A new Gersgorin-type eigenvalue inclusion set},
journal={ELECTRONIC TRANSACTIONS ON NUMERICAL ANALYSIS},
volume={18},
number={},
pages={73-80},
document_type={Article},
}