@article{JETPL.104.311,
    title = {},
    author = {Savchenko, M. L. and Kozlov, D. A. and Kvon, Z. D. and Mikhailov, N. N. and Dvoretsky, S. A.},
    journal = {JETP Lett.},
    volume = {104},
    issue = {5},
    pages = {302},
    year = {2016},
    doi = {},
    url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X16170045},
    note = {[Pisma v ZhETF 104, 311 (2016)]}
}