%0 Journal Article %A Jovan D. Kečkić %T Commutative Weak Generalized Inverses of a Square Matrix and some Related Matrix Equations %J Publications de l'Institut Mathématique %D 1985 %P 39 %V _N_S_38 %N 52 %I mathdoc %U http://geodesic.mathdoc.fr/item/PIM_1985_N_S_38_52_a7/ %G en %F PIM_1985_N_S_38_52_a7