@article{JETPL.102.106,
    title = {},
    author = {Avdeev, M. V. and Proshin, Yu. N.},
    journal = {JETP Lett.},
    volume = {102},
    issue = {2},
    pages = {96},
    year = {2015},
    doi = {},
    url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X15140064},
    note = {[Pisma v ZhETF 102, 106 (2015)]}
}