TY - JOUR AU - V. A. Yurko TI - On boundary value problems for a differential equation with a JO - Doklady Akademii Nauk PY - 1996 SP - 460 EP - 462 VL - 349 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1996_349_4_a6/ LA - ru ID - DAN_1996_349_4_a6 ER -