@ARTICLE{
author={Mihajlovic Nadica,Djordjevic Dragan S},
year={2022},
title={Perturbation results and forward order law for the Moore-Penrose inverse in rings with involution},
journal={GEORGIAN MATHEMATICAL JOURNAL},
volume={29},
number={3},
pages={425-439},
document_type={Article},
} 

@ARTICLE{
author={Mihajlovic Nadica},
year={2020},
title={Group inverse and core inverse in Banach and C*-algebras},
journal={COMMUNICATIONS IN ALGEBRA},
volume={48},
number={4},
pages={1803-1818},
document_type={Article},
} 

@ARTICLE{
author={Mihajlovic Nadica,Djordjevic Dragan S},
year={2019},
title={On Group Invertibility in Rings},
journal={FILOMAT},
volume={33},
number={19},
pages={6141-6150},
document_type={Article},
}