%0 Journal Article %A V. A. Geiler %A V. A. Margulis %T Spectrum of the bloch electron in a magnetic field in a two-dimensional lattice %J Teoretičeskaâ i matematičeskaâ fizika %D 1984 %P 461-472 %V 58 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1984_58_3_a12/ %G ru %F TMF_1984_58_3_a12