@article{JETPL.102.278,
    title = {},
    author = {Rozenbaum, V. M. and Shapochkina, I. V.},
    journal = {JETP Lett.},
    volume = {102},
    issue = {4},
    pages = {248},
    year = {2015},
    doi = {},
    url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X15160110},
    note = {[Pisma v ZhETF 102, 278 (2015)]}
}