@article{JETPL.107.54,
    title = {},
    author = {,  and ,  and Bol?ginov, V. V. and Egorov, S. V. and Chichkov, V. and Schegolev, A. E. and Klenov, N. V. and Soloviev, I. I. and Bakurskiy, S. V. and Kupriyanov, M. Yu.},
    journal = {JETP Lett.},
    volume = {107},
    issue = {1},
    pages = {48},
    year = {2018},
    doi = {},
    url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X18010101},
    note = {[Pisma v ZhETF 107, 54 (2018)]}
}