TY - JOUR AU - L. A. Beklaryan TI - A boundary value problem for a differential equation with JO - Doklady Akademii Nauk PY - 1986 SP - 19 EP - 22 VL - 291 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1986_291_1_a2/ LA - ru ID - DAN_1986_291_1_a2 ER -