TY - JOUR AU - Ya. A. Roǐtberg AU - V. Serdiuk TI - Theory of solvability in generalized functions for elliptic problems with a~parameter, for general systems of equations JO - Trudy Moskovskogo matematičeskogo obŝestva PY - 1990 SP - 229 EP - 258 VL - 53 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MMO_1990_53_a7/ LA - ru ID - MMO_1990_53_a7 ER -