TY - JOUR AU - L. Shimon TI - Approximation of solutions of exterior Dirichlet and Neumann JO - Doklady Akademii Nauk PY - 1985 SP - 564 EP - 568 VL - 283 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1985_283_3_a10/ LA - ru ID - DAN_1985_283_3_a10 ER -