TY - JOUR AU - V. A. Il'in AU - E. I. Moiseev TI - A nonlocal boundary value problem for the Sturm--Liouville operator in a differential and a difference treatment JO - Doklady Akademii Nauk PY - 1986 SP - 534 EP - 539 VL - 291 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1986_291_3_a4/ LA - ru ID - DAN_1986_291_3_a4 ER -