@article{JETPL.101.330,
    title = {},
    author = {Sargsyan, A. and ,  and ,  and Sarkisyan, D.},
    journal = {JETP Lett.},
    volume = {101},
    issue = {5},
    pages = {303},
    year = {2015},
    doi = {},
    url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X15050045},
    note = {[Pisma v ZhETF 101, 330 (2015)]}
}