@article{TMF_1982_52_2_a15,
     author = {V. K. Pershin and V. K. Pershin},
     title = {Dynamical theory of molecular crystals in the pseudoharmonic approximation},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {311--321},
     publisher = {mathdoc},
     volume = {52},
     number = {2},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1982_52_2_a15/}
}