%0 Journal Article %A R. V. Romanov %T On instability of the absolutely continuous spectrum of dissipative Schr\"odinger operators and Jacobi matrices %J Algebra i analiz %D 2005 %P 145-169 %V 17 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/AA_2005_17_2_a6/ %G ru %F AA_2005_17_2_a6