%0 Journal Article %A L. A. Muravei %T Analytic continuations with respect to a~parameter of the Green function of exterior boundary value problems for the two-dimensional Helmholtz equation.~II %J Sbornik. Mathematics %D 1976 %P 77-118 %V 30 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1976_30_1_a5/ %G en %F SM_1976_30_1_a5