TY - JOUR AU - A. A. Novruzov TI - On the regularity of boundary points for degenerate elliptic equations of second order JO - Doklady Akademii Nauk PY - 1975 SP - 1311 EP - 1313 VL - 223 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1975_223_6_a6/ LA - ru ID - DAN_1975_223_6_a6 ER -