TY - JOUR AU - A. L. Skubachevskii TI - Solvability of elliptic problems with boundary conditions of Bitsadze--Samarski{\v\i} type JO - Differencialʹnye uravneniâ PY - 1985 SP - 701 EP - 706 VL - 21 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1985_21_4_a17/ LA - ru ID - DE_1985_21_4_a17 ER -