@article{JETPL.109.112,
    title = {},
    author = {Perevalov, T. V. and Gritsenko, V. A. and ,  and Prosvirin, I. P.},
    journal = {JETP Lett.},
    volume = {109},
    issue = {2},
    pages = {116},
    year = {2019},
    doi = {},
    url = {http://jetpletters.ru/ps/dx/10.1134/S0370274X19020097},
    note = {[Pisma v ZhETF 109, 112 (2019)]}
}