@article{JETPL.96.352,
    title = {},
    author = {Silkin, I. V. and Menshchikova, T. V. and Otrokov, M. M. and ,  and ,  and ,  and Kuznetsov, V. M. and Chulkov, E. V.},
    journal = {JETP Lett.},
    volume = {96},
    issue = {5},
    pages = {322},
    year = {2012},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_29929.shtml},
    note = {[Pisma v ZhETF 96, 352 (2012)]}
}