TY - JOUR AU - S. A. Nazarov TI - Finite-dimensional approximations to the Poincar\'e--Steklov operator for general elliptic boundary value problems in domains with cylindrical and periodic exits to infinity JO - Trudy Moskovskogo matematičeskogo obŝestva PY - 2019 SP - 1 EP - 62 VL - 80 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MMO_2019_80_1_a0/ LA - ru ID - MMO_2019_80_1_a0 ER -