TY - JOUR AU - V. A. Il'in AU - E. I. Moiseev TI - The Sturm--Liouville operator with a nonlocal boundary condition of the second kind JO - Doklady Akademii Nauk PY - 1987 SP - 1340 EP - 1345 VL - 294 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1987_294_6_a12/ LA - ru ID - DAN_1987_294_6_a12 ER -