%0 Journal Article %A B. R. Vainberg %T On eigenfunctions of an operator corresponding to the poles of the analytic continuation of the resolvent through the continuous spectrum %J Sbornik. Mathematics %D 1972 %P 307-322 %V 16 %N 2 %U http://geodesic.mathdoc.fr/item/SM_1972_16_2_a10/ %G en %F SM_1972_16_2_a10