@article{JETPL.108.75,
    title = {},
    author = {Zinyakov, T. A. and Petrosyan, A. S.},
    journal = {JETP Lett.},
    volume = {108},
    issue = {2},
    pages = {85},
    year = {2018},
    doi = {},
    url = {http://jetpletters.ru/ps/dx/10.1134/S0370274X18140011},
    note = {[Pisma v ZhETF 108, 75 (2018)]}
}