@article{JETPL.100.168,
    title = {},
    author = {Kovrazhkin, R. A. and ,  and , },
    journal = {JETP Lett.},
    volume = {100},
    issue = {3},
    pages = {150},
    year = {2014},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_30863.shtml},
    note = {[Pisma v ZhETF 100, 168 (2014)]}
}