TY - JOUR AU - V. F. Apel'tsin TI - Analytic continuations of solutions of boundary value problems for the stationary wave equation JO - Differencialʹnye uravneniâ PY - 1991 SP - 8 EP - 17 VL - 27 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1991_27_1_a1/ LA - ru ID - DE_1991_27_1_a1 ER -