@ARTICLE{
author={Radojevic Ivana M,Djordjevic Dragan S},
year={2017},
title={Moore-Penrose Inverse in Indefinite Inner Product Spaces},
journal={FILOMAT},
volume={31},
number={12},
pages={3847-3857},
document_type={Article},
} 

@ARTICLE{
author={Radojevic Ivana M},
year={2014},
title={New results for EP matrices in indefinite inner product spaces},
journal={CZECHOSLOVAK MATHEMATICAL JOURNAL},
volume={64},
number={1},
pages={91-103},
document_type={Article},
} 

@ARTICLE{
author={Radojevic Ivana M,Djordjevic Dragan S},
year={2012},
title={Quasihyponormal and Strongly Quasihyponormal Matrices in Inner Product Spaces},
journal={ELECTRONIC JOURNAL OF LINEAR ALGEBRA},
volume={23},
number={},
pages={1023-1039},
document_type={Article},
}