TY - JOUR AU - V. V. Tikhomirov TI - On a nonregular boundary value problem JO - Doklady Akademii Nauk PY - 1977 SP - 1026 EP - 1027 VL - 232 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1977_232_5_a11/ LA - ru ID - DAN_1977_232_5_a11 ER -