TY - JOUR AU - Z. V. Reytblat TI - The mean value theorem for linear elliptic equations with Lipschitz class coefficients JO - Doklady Akademii Nauk PY - 1960 SP - 1300 EP - 1302 VL - 133 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1960_133_6_a8/ LA - ru ID - DAN_1960_133_6_a8 ER -