@article{JETPL.95.452,
    title = {},
    author = {Ikonnikov, A. V. and Zholudev, M. S. and ,  and Spirin, K. E. and ,  and Gavrilenko, V. I. and Dvoretsky, S. A. and Mikhailov, N. N.},
    journal = {JETP Lett.},
    volume = {95},
    issue = {8},
    pages = {406},
    year = {2012},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_29683.shtml},
    note = {[Pisma v ZhETF 95, 452 (2012)]}
}