@article{AA_1998_10_4_a0,
     author = {M. Sh. Birman and T. A. Suslina},
     title = {Absolute continuity of a two-dimensional periodic magnetic {Hamiltonian} with discontinuous vector potential},
     journal = {Algebra i analiz},
     pages = {1--36},
     year = {1998},
     volume = {10},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_1998_10_4_a0/}
}