TY - JOUR AU - V. Ya. Rivkind AU - N. N. Ural'tseva TI - A priori estimates for quasilinear parabolic equations with discontinuous coefficients and their application in approximation methods JO - Doklady Akademii Nauk PY - 1969 SP - 271 EP - 274 VL - 185 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1969_185_2_a7/ LA - ru ID - DAN_1969_185_2_a7 ER -