@article{JETPL.103.214,
    title = {},
    author = {,  and Dudnikov, V. A. and Orlov, Yu. S. and Kazak, N. V. and Solovyov, L. A. and ,  and ,  and ,  and ,  and ,  and Ovchinnikov, S. G.},
    journal = {JETP Lett.},
    volume = {103},
    issue = {3},
    pages = {196},
    year = {2016},
    doi = {},
    url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X16030115},
    note = {[Pisma v ZhETF 103, 214 (2016)]}
}