TY - JOUR AU - L. A. Muravei TI - Analytic continuations with respect to a parameter of the Green function of exterior boundary value problems for the two-dimensional Helmholtz equation. II JO - Sbornik. Mathematics PY - 1976 SP - 77 EP - 118 VL - 30 IS - 1 UR - http://geodesic.mathdoc.fr/item/SM_1976_30_1_a5/ LA - en ID - SM_1976_30_1_a5 ER -