TY - JOUR AU - V. P. Glushko TI - Degenerating elliptic equations of second order in arbitrary smooth regions JO - Doklady Akademii Nauk PY - 1967 SP - 18 EP - 21 VL - 173 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1967_173_1_a3/ LA - ru ID - DAN_1967_173_1_a3 ER -