@article{PIM_1999_N_S_65_79_a9,
     author = {Jovan D. Ke\v{c}ki\'c and Svetozar Mili\'c},
     title = {On {Commuting} {Generalized} {Inverses} in {Semigroups}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {103 },
     publisher = {mathdoc},
     volume = {_N_S_65},
     number = {79},
     year = {1999},
     zbl = {1011.20052},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PIM_1999_N_S_65_79_a9/}
}