TY - JOUR AU - V. V. Grushin TI - A problem in the entire space for a certain class of partial differential equations JO - Doklady Akademii Nauk PY - 1962 SP - 1251 EP - 1254 VL - 146 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1962_146_6_a1/ LA - ru ID - DAN_1962_146_6_a1 ER -