@article{TMF_1975_24_3_a13,
     author = {B. V. Moshchinskii and V. K. Fedyanin},
     title = {Exact asymptotic methods in the band theory of magnetism},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {419--424},
     year = {1975},
     volume = {24},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1975_24_3_a13/}
}