@article{DAN_1981_257_3_a4,
     author = {S. P. Novikov},
     title = {Magnetic {Bloch} functions and vector bundles. {Typical} dispersion laws and their quantum numbers},
     journal = {Doklady Akademii Nauk},
     pages = {538--543},
     publisher = {mathdoc},
     volume = {257},
     number = {3},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1981_257_3_a4/}
}