@article{JETPL.95.467,
    title = {},
    author = {,  and Strygin, I. S. and Bykov, A. A. and ,  and Vitkalov, S. A.},
    journal = {JETP Lett.},
    volume = {95},
    issue = {8},
    pages = {420},
    year = {2012},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_29686.shtml},
    note = {[Pisma v ZhETF 95, 467 (2012)]}
}