%0 Journal Article %A O. Safronov %T Absolutely continuous spectrum of a~one-parameter family of Schr\"odinger operators %J Algebra i analiz %D 2012 %P 178-195 %V 24 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/AA_2012_24_6_a6/ %G en %F AA_2012_24_6_a6