@article{JETPL.94.585,
    title = {},
    author = {Akhmedzhanov, R. A. and ,  and Gushchin, L. A. and Zelensky, I. V.},
    journal = {JETP Lett.},
    volume = {94},
    issue = {7},
    pages = {544},
    year = {2011},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_29543.shtml},
    note = {[Pisma v ZhETF 94, 585 (2011)]}
}