TY - JOUR AU - E. V. Chernokozhin AU - Yu. V. Shestopalov TI - On the solvability of boundary value problems for the Helmholtz equation in an unbounded domain with a noncompact boundary JO - Differencialʹnye uravneniâ PY - 1998 SP - 546 EP - 553 VL - 34 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1998_34_4_a15/ LA - ru ID - DE_1998_34_4_a15 ER -