@article{JETPL.104.415,
    title = {},
    author = {Yakunin, M. V. and Krishtopenko, S. S. and Podgornykh, S. M. and Popov, M. R. and Neverov, V. N. and Mikhailov, N. N. and Dvoretsky, S. A.},
    journal = {JETP Lett.},
    volume = {104},
    issue = {6},
    pages = {403},
    year = {2016},
    doi = {},
    url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X16180089},
    note = {[Pisma v ZhETF 104, 415 (2016)]}
}