TY - JOUR AU - N. V. Krylov TI - On the maximum principle for nonlinear parabolic and elliptic equations JO - Izvestiya. Mathematics PY - 1979 SP - 335 EP - 347 VL - 13 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IM2_1979_13_2_a6/ LA - en ID - IM2_1979_13_2_a6 ER -