@article{TMF_1981_48_1_a6,
     author = {E. D. Belokolos},
     title = {Peierls-Fr\"ohlich problem and potentials with finite number of {gaps.~II}},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {60--69},
     publisher = {mathdoc},
     volume = {48},
     number = {1},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1981_48_1_a6/}
}