TY - JOUR AU - S. N. Kruzhkov TI - A priori estimate for the derivative of a solution of a parabolic equation and certain of its applications JO - Doklady Akademii Nauk PY - 1966 SP - 501 EP - 504 VL - 170 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1966_170_3_a2/ LA - ru ID - DAN_1966_170_3_a2 ER -