@article{DAN_1979_244_3_a3,
     author = {M. M. Skriganov},
     title = {On the {Bethe--Sommerfeld} conjecture},
     journal = {Doklady Akademii Nauk},
     pages = {533--534},
     publisher = {mathdoc},
     volume = {244},
     number = {3},
     year = {1979},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1979_244_3_a3/}
}