@article{JETPL.100.305,
    title = {},
    author = {,  and Molotkov, S. N.},
    journal = {JETP Lett.},
    volume = {100},
    issue = {4},
    pages = {279},
    year = {2014},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_30902.shtml},
    note = {[Pisma v ZhETF 100, 305 (2014)]}
}