@article{JETPL.99.299,
    title = {},
    author = {Matveev, V. I. and Makarov, D. N.},
    journal = {JETP Lett.},
    volume = {99},
    issue = {5},
    pages = {258},
    year = {2014},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_30644.shtml},
    note = {[Pisma v ZhETF 99, 299 (2014)]}
}