@article{JETPL.110.204,
    title = {},
    author = {Aplesnin, S. S. and Masyugin, A. N. and Sitnikov, M. N. and , },
    journal = {JETP Lett.},
    volume = {110},
    issue = {3},
    pages = {223},
    year = {2019},
    doi = {},
    url = {http://jetpletters.ru/ps/dx/10.1134/S0370274X19150128},
    note = {[Pisma v ZhETF 110, 204 (2019)]}
}