@article{JETPL.101.107,
    title = {},
    author = {Demin, V. A. and Chernozatonskii, L. A.},
    journal = {JETP Lett.},
    volume = {101},
    issue = {2},
    pages = {103},
    year = {2015},
    doi = {},
    url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X15020071},
    note = {[Pisma v ZhETF 101, 107 (2015)]}
}