@article{AA_1999_11_2_a0,
     author = {M. Sh. Birman and T. A. Suslina},
     title = {A periodic magnetic {Hamiltonian} with a variable metric. {The} problem of absolute continuity},
     journal = {Algebra i analiz},
     pages = {1--40},
     publisher = {mathdoc},
     volume = {11},
     number = {2},
     year = {1999},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_1999_11_2_a0/}
}