TY - JOUR AU - F. G. Maksudov AU - V. B. Shakhmurov TI - On the completeness of the system of eigenvectors and associated vectors of nonlocal boundary value problems for quasielliptic partial differential operator equations JO - Doklady Akademii Nauk PY - 1983 SP - 33 EP - 35 VL - 268 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1983_268_1_a6/ LA - ru ID - DAN_1983_268_1_a6 ER -