%0 Journal Article %A V. M. Babich %A N. S. Grigor'ev %T The analytic extension of the resolvent of outer three-dimensional problems for laplace operators in the second sheet %J Funkcionalʹnyj analiz i ego priloženiâ %D 1974 %P 71-72 %V 8 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_1974_8_1_a10/ %G ru %F FAA_1974_8_1_a10