@article{JETPL.109.435,
    title = {},
    author = {Rodkin, D. M. and Tchuvil?sky, Yu. M.},
    journal = {JETP Lett.},
    volume = {109},
    issue = {7},
    pages = {425},
    year = {2019},
    doi = {},
    url = {http://jetpletters.ru/ps/dx/10.1134/S0370274X19070014},
    note = {[Pisma v ZhETF 109, 435 (2019)]}
}