@article{DAN_1981_256_1_a10,
     author = {M. M. Skriganov},
     title = {General properties of the spectrum of differential and pseudodifferential operators with periodic coefficients and some problems of the geometry of numbers},
     journal = {Doklady Akademii Nauk},
     pages = {47--51},
     publisher = {mathdoc},
     volume = {256},
     number = {1},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1981_256_1_a10/}
}