%0 Journal Article %A A. S. Tikhonov %T An absolutely continuous spectrum and a scattering theory for operators with spectrum on a curve %J Algebra i analiz %D 1995 %P 200-220 %V 7 %N 1 %U http://geodesic.mathdoc.fr/item/AA_1995_7_1_a6/ %G ru %F AA_1995_7_1_a6