TY - JOUR AU - A. V. Ivanov AU - P. Z. Mkrtychian TI - Weighted estimate of gradient for nonnegative weak solutions of quasilinear doubly degenerate parabolic equations JO - Zapiski Nauchnykh Seminarov POMI PY - 1990 SP - 3 EP - 23 VL - 181 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_1990_181_a0/ LA - ru ID - ZNSL_1990_181_a0 ER -