@article{JETPL.101.665,
    title = {},
    author = {Lanin, A. A. and Stepanov, E. A. and ,  and Sidorov-Biryukov, D. A. and Fedotov, A. B. and Zheltikov, A. M.},
    journal = {JETP Lett.},
    volume = {101},
    issue = {9},
    pages = {593},
    year = {2015},
    doi = {},
    url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X15090027},
    note = {[Pisma v ZhETF 101, 665 (2015)]}
}