@article{AA_1996_8_3_a5,
     author = {V. A. Geiler and V. A. Margulis and I. I. Chuchaev},
     title = {On the structure of the spectrum of three-dimensional periodic {Landau} operators},
     journal = {Algebra i analiz},
     pages = {104--124},
     publisher = {mathdoc},
     volume = {8},
     number = {3},
     year = {1996},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_1996_8_3_a5/}
}