%0 Journal Article %A S. N. Naboko %A S. I. Yakovlev %T Conditions for the finiteness of the singular spectrum in the self-adjoint friedrichs model %J Funkcionalʹnyj analiz i ego priloženiâ %D 1990 %P 88-89 %V 24 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_1990_24_4_a14/ %G ru %F FAA_1990_24_4_a14