TY - JOUR AU - A. G. Zarubin TI - A certain class of nonlinear operator equations JO - Doklady Akademii Nauk PY - 1969 SP - 530 EP - 533 VL - 184 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1969_184_3_a5/ LA - ru ID - DAN_1969_184_3_a5 ER -