TY - JOUR AU - B. R. Vainberg AU - V. V. Grushin TI - Uniformly non-coercive problems for elliptic equations JO - Doklady Akademii Nauk PY - 1967 SP - 759 EP - 762 VL - 172 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1967_172_4_a2/ LA - ru ID - DAN_1967_172_4_a2 ER -