@article{JETPL.93.186,
    title = {},
    author = {Kozlov, D. A. and Kvon, Z. D. and Mikhailov, N. N. and Dvoretsky, S. A. and , },
    journal = {JETP Lett.},
    volume = {93},
    issue = {3},
    pages = {170},
    year = {2011},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_29152.shtml},
    note = {[Pisma v ZhETF 93, 186 (2011)]}
}