@article{JETPL.108.108,
    title = {},
    author = {Bykov, A. A. and Strygin, I. S. and Rodyakina, E. E. and Vitkalov, S. A.},
    journal = {JETP Lett.},
    volume = {108},
    issue = {2},
    pages = {121},
    year = {2018},
    doi = {},
    url = {http://jetpletters.ru/ps/dx/10.1134/S0370274X18140084},
    note = {[Pisma v ZhETF 108, 108 (2018)]}
}