%0 Journal Article %A Yu. P. Krasovskii %T Isolation of singularities of the Green's function %J Izvestiya. Mathematics %D 1967 %P 935-966 %V 1 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1967_1_5_a2/ %G en %F IM2_1967_1_5_a2