TY - JOUR AU - Yu. F. Korobeinik TI - Some problems in the analytic theory of partial differential equations JO - Doklady Akademii Nauk PY - 1960 SP - 273 EP - 276 VL - 133 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1960_133_2_a5/ LA - ru ID - DAN_1960_133_2_a5 ER -