@article{JETPL.96.688,
    title = {},
    author = {Zakharov, B. G.},
    journal = {JETP Lett.},
    volume = {96},
    issue = {10},
    pages = {616},
    year = {2012},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_30024.shtml},
    note = {[Pisma v ZhETF 96, 688 (2012)]}
}