@article{JETPL.107.42,
    title = {},
    author = {,  and ,  and Kiiamov, A. G. and ,  and Nikitin, S. I. and Yusupov, R. V.},
    journal = {JETP Lett.},
    volume = {107},
    issue = {1},
    pages = {37},
    year = {2018},
    doi = {},
    url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X18010083},
    note = {[Pisma v ZhETF 107, 42 (2018)]}
}