TY - JOUR AU - A. F. Filippov TI - Conditions for the existence of a solution of a quasi-linear parabolic equation JO - Doklady Akademii Nauk PY - 1961 SP - 568 EP - 570 VL - 141 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1961_141_3_a13/ LA - ru ID - DAN_1961_141_3_a13 ER -