@article{JETPL.98.682,
    title = {},
    author = {Shein, I. R. and , },
    journal = {JETP Lett.},
    volume = {98},
    issue = {10},
    pages = {609},
    year = {2013},
    doi = {},
    url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X13220062},
    note = {[Pisma v ZhETF 98, 682 (2013)]}
}