TY - JOUR AU - R. V. Romanov TI - On instability of the absolutely continuous spectrum of dissipative Schr\"odinger operators and Jacobi matrices JO - Algebra i analiz PY - 2005 SP - 145 EP - 169 VL - 17 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AA_2005_17_2_a6/ LA - ru ID - AA_2005_17_2_a6 ER -