@article{JETPL.108.379,
    title = {},
    author = {Popel, S. I. and Golub?, A. P. and ,  and ,  and ,  and ,  and ,  and ,  and ,  and ,  and ,  and , },
    journal = {JETP Lett.},
    volume = {108},
    issue = {6},
    pages = {356},
    year = {2018},
    doi = {},
    url = {http://jetpletters.ru/ps/dx/10.1134/S0370274X18180030},
    note = {[Pisma v ZhETF 108, 379 (2018)]}
}