TY - JOUR AU - A. L. Skubachevskii TI - Model nonlocal problems for elliptic equations in dihedral angles JO - Differencialʹnye uravneniâ PY - 1990 SP - 120 EP - 131 VL - 26 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1990_26_1_a14/ LA - ru ID - DE_1990_26_1_a14 ER -