@article{DAN_1983_271_3_a3,
     author = {S. M. Kozlov},
     title = {Ground states of quasiperiodic operators},
     journal = {Doklady Akademii Nauk},
     pages = {532--536},
     publisher = {mathdoc},
     volume = {271},
     number = {3},
     year = {1983},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1983_271_3_a3/}
}