@article{PIM_2001_N_S_69_83_a7,
     author = {Jovan D. Ke\v{c}ki\'c},
     title = {On {Commuting} {Generalized} {Inverses} of {Matrices} and in {Associative} {Rings}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {51 },
     publisher = {mathdoc},
     volume = {_N_S_69},
     number = {83},
     year = {2001},
     zbl = {1004.15011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PIM_2001_N_S_69_83_a7/}
}