@article{GFA_1995__5_4_58196,
     author = {S.P. Novikov},
     title = {The {Semiclassical} {Electron} in a {Magnetic} {Field} and {Lattice.} {Some} {Problems} of {Low} {Dimensional} },
     journal = {Geometric and functional analysis},
     pages = {434--444},
     publisher = {mathdoc},
     volume = {5},
     number = {4},
     year = {1995},
     zbl = {0853.57014},
     url = {http://geodesic.mathdoc.fr/item/GFA_1995__5_4_58196/}
}