@article{JETPL.110.545,
    title = {},
    author = {,  and Levchenko, A. A. and Mezhov-Deglin, L. P.},
    journal = {JETP Lett.},
    volume = {110},
    issue = {8},
    pages = {551},
    year = {2019},
    doi = {},
    url = {http://jetpletters.ru/ps/dx/10.1134/S0370274X19200062},
    note = {[Pisma v ZhETF 110, 545 (2019)]}
}