@article{JETPL.102.665,
    title = {},
    author = {,  and Vasilieva, O. F.},
    journal = {JETP Lett.},
    volume = {102},
    issue = {9},
    pages = {581},
    year = {2015},
    doi = {},
    url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X15210031},
    note = {[Pisma v ZhETF 102, 665 (2015)]}
}