%0 Journal Article %A M. Sh. Birman %A T. A. Suslina %T A periodic magnetic Hamiltonian with a variable metric. The problem of absolute continuity %J Algebra i analiz %D 1999 %P 1-40 %V 11 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/AA_1999_11_2_a0/ %G ru %F AA_1999_11_2_a0