@article{TMF_1980_45_2_a11,
     author = {E. D. Belokolos},
     title = {Peierls-Fr\"ohlich problem and potentials with finite number {of~gaps.~I}},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {268--275},
     publisher = {mathdoc},
     volume = {45},
     number = {2},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1980_45_2_a11/}
}