@article{RM_1995_50_1_a6,
     author = {V. A. Geiler and V. A. Margulis and I. I. Chuchaev},
     title = {On lacunae in the spectrum of the three-dimensional periodic {Schr\"odinger} operator with a~magnetic field},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {198--199},
     publisher = {mathdoc},
     volume = {50},
     number = {1},
     year = {1995},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1995_50_1_a6/}
}