TY - JOUR AU - S. I. Pokhozhaev TI - On an approach to nonlinear equations JO - Doklady Akademii Nauk PY - 1979 SP - 1327 EP - 1331 VL - 247 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1979_247_6_a10/ LA - ru ID - DAN_1979_247_6_a10 ER -