@article{JETPL.102.344,
    title = {},
    author = {Stepina, N. P. and ,  and Nenashev, A. V. and Dvurechenskii, A. V.},
    journal = {JETP Lett.},
    volume = {102},
    issue = {5},
    pages = {312},
    year = {2015},
    doi = {},
    url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X15170117},
    note = {[Pisma v ZhETF 102, 344 (2015)]}
}