%0 Journal Article %A Yu. L. Shmul'yan %T Two-sided division in the ring of operators %J Matematičeskie zametki %D 1967 %P 605-610 %V 1 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1967_1_5_a13/ %G ru %F MZM_1967_1_5_a13