TY - JOUR AU - A. L. Skubachevskii TI - Solvability of elliptic problems with nonlocal boundary conditions JO - Doklady Akademii Nauk PY - 1986 SP - 551 EP - 555 VL - 291 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1986_291_3_a8/ LA - ru ID - DAN_1986_291_3_a8 ER -