@article{JETPL.105.275,
    title = {},
    author = {Otrokov, M. M. and ,  and Rusinov, I. P. and ,  and ,  and Chulkov, E. V.},
    journal = {JETP Lett.},
    volume = {105},
    issue = {5},
    pages = {297},
    year = {2017},
    doi = {},
    url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X17050058},
    note = {[Pisma v ZhETF 105, 275 (2017)]}
}