%0 Journal Article %A A. V. Strauss %T Extensions and generalized resolvents of a symmetric operator which is not densely defined %J Izvestiya. Mathematics %D 1970 %P 179-208 %V 4 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1970_4_1_a9/ %G en %F IM2_1970_4_1_a9