TY - JOUR AU - A. E. Gel'man TI - Simple solutions of operator equations in the case of branching JO - Doklady Akademii Nauk PY - 1963 SP - 1042 EP - 1044 VL - 152 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1963_152_5_a5/ LA - ru ID - DAN_1963_152_5_a5 ER -