%0 Journal Article %A S. A. Stepin %T On Finiteness Conditions for the Point Spectrum in the Nonself-Adjoint Friedrichs Model %J Funkcionalʹnyj analiz i ego priloženiâ %D 1997 %P 83-86 %V 31 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_1997_31_4_a11/ %G ru %F FAA_1997_31_4_a11