@article{JETPL.110.687,
    title = {},
    author = {,  and Brazhkin, V. V. and , },
    journal = {JETP Lett.},
    volume = {110},
    issue = {10},
    pages = {687},
    year = {2019},
    doi = {},
    url = {http://jetpletters.ru/ps/dx/10.1134/S0370274X19220090},
    note = {[Pisma v ZhETF 110, 687 (2019)]}
}