@article{JETPL.98.375,
    title = {},
    author = {Rut?kov, E. V. and Gall, N. R.},
    journal = {JETP Lett.},
    volume = {98},
    issue = {6},
    pages = {335},
    year = {2013},
    doi = {},
    url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X13180069},
    note = {[Pisma v ZhETF 98, 375 (2013)]}
}