TY - JOUR AU - V. V. Katrakhov TI - General boundary-value problems for a class of singular and degenerate equations JO - Doklady Akademii Nauk PY - 1980 SP - 1296 EP - 1300 VL - 251 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1980_251_6_a2/ LA - ru ID - DAN_1980_251_6_a2 ER -