@article{01823786,
title = {On commuting generalized inverses of matrices and in associative rings.},
journal = {Publications de l'Institut Math\'ematique. Nouvelle S\'erie},
volume = {70(84)},
year = {2001},
pages = {51-58},
zbl = {1004.15011},
language = {en},
url = {http://dml.mathdoc.fr/item/01823786}
}
Kečkić, Jovan D. On commuting generalized inverses of matrices and in associative rings.. Publications de l'Institut Mathématique. Nouvelle Série, Tome 70(84) (2001) pp. 51-58. http://gdmltest.u-ga.fr/item/01823786/