%0 Journal Article %A Lawrence A. Fialkow %A Hector Salas %T Majorization, Factorization and Systems of Linear Operator Equations %J Mathematica balkanica %D 1990 %P 22 %V 4 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MABA_1990_4_1_a3/ %F MABA_1990_4_1_a3