%0 Journal Article %A O. L. Safronov %T The discrete spectrum in gaps of the continuous spectrum for indefinite-sign perturbations with a large coupling constant %J Algebra i analiz %D 1996 %P 162-194 %V 8 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/AA_1996_8_2_a9/ %G ru %F AA_1996_8_2_a9