@article{JETPL.110.112,
    title = {},
    author = {Ryzhkin, M. I. and Ryzhkin, I. A. and , },
    journal = {JETP Lett.},
    volume = {110},
    issue = {2},
    pages = {127},
    year = {2019},
    doi = {},
    url = {http://jetpletters.ru/ps/dx/10.1134/S0370274X1914008X},
    note = {[Pisma v ZhETF 110, 112 (2019)]}
}