TY - JOUR AU - M. A. Perel'muter TI - Nonlinear multiplicative inequalities and estimates of gradients of solutions of elliptic equations JO - Matematičeskie zametki PY - 1986 SP - 75 EP - 86 VL - 40 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1986_40_1_a7/ LA - ru ID - MZM_1986_40_1_a7 ER -