@article{JETPL.110.607,
    title = {},
    author = {Delev, V. A. and ,  and ,  and ,  and Ekomasov, E. G.},
    journal = {JETP Lett.},
    volume = {110},
    issue = {9},
    pages = {607},
    year = {2019},
    doi = {},
    url = {http://jetpletters.ru/ps/dx/10.1134/S0370274X19210070},
    note = {[Pisma v ZhETF 110, 607 (2019)]}
}