@article{JETPL.101.793,
    title = {},
    author = {Ramazanov, M. K. and Murtazaev, A. K.},
    journal = {JETP Lett.},
    volume = {101},
    issue = {10},
    pages = {714},
    year = {2015},
    doi = {},
    url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X15100124},
    note = {[Pisma v ZhETF 101, 793 (2015)]}
}