TY - JOUR AU - I. L. Barskii TI - On the behavior of the spectrum of some linear multipoint boundary JO - Doklady Akademii Nauk PY - 1991 SP - 265 EP - 266 VL - 317 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1991_317_2_a0/ LA - ru ID - DAN_1991_317_2_a0 ER -