@article{JETPL.107.62,
    title = {},
    author = {Perevalov, T. V. and Gritsenko, V. A. and ,  and Prosvirin, I. P.},
    journal = {JETP Lett.},
    volume = {107},
    issue = {1},
    pages = {55},
    year = {2018},
    doi = {},
    url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X18010113},
    note = {[Pisma v ZhETF 107, 62 (2018)]}
}