%0 Journal Article %A A. G. Zarubin %T A certain class of nonlinear operator equations %J Doklady Akademii Nauk %D 1969 %P 530-533 %V 184 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1969_184_3_a5/ %G ru %F DAN_1969_184_3_a5