%0 Journal Article %A A. E. Gel'man %T Simple solutions of operator equations in the case of branching %J Doklady Akademii Nauk %D 1963 %P 1042-1044 %V 152 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1963_152_5_a5/ %G ru %F DAN_1963_152_5_a5