@article{JETPL.110.9,
    title = {},
    author = {Arkhipov, R. M. and Arkhipov, M. V. and ,  and Pakhomov, A. V. and Rosanov, N. N.},
    journal = {JETP Lett.},
    volume = {110},
    issue = {1},
    pages = {15},
    year = {2019},
    doi = {},
    url = {http://jetpletters.ru/ps/dx/10.1134/S0370274X19130034},
    note = {[Pisma v ZhETF 110, 9 (2019)]}
}