@article{JETPL.98.499,
    title = {},
    author = {Sargsyan, A. and ,  and ,  and Sarkisyan, D.},
    journal = {JETP Lett.},
    volume = {98},
    issue = {8},
    pages = {441},
    year = {2013},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_30507.shtml},
    note = {[Pisma v ZhETF 98, 499 (2013)]}
}