%0 Journal Article %A S. I. Yakovlev %T A~finiteness bound for the singular spectrum in a~neighborhood of a~singular point of operators of the Friedrichs model %J Algebra i analiz %D 1998 %P 210-237 %V 10 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/AA_1998_10_4_a8/ %G ru %F AA_1998_10_4_a8