TY - JOUR AU - O. A. Plaksina TI - Inverse problems of spectral analysis for Sturm--Liouville operators with nonseparated boundary conditions.~II JO - Sbornik. Mathematics PY - 1989 SP - 141 EP - 160 VL - 64 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SM_1989_64_1_a8/ LA - en ID - SM_1989_64_1_a8 ER -