@article{JETPL.102.759,
    title = {},
    author = {Prudnikov, V. V. and Prudnikov, P. V. and , },
    journal = {JETP Lett.},
    volume = {102},
    issue = {10},
    pages = {668},
    year = {2015},
    doi = {},
    url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X15220075},
    note = {[Pisma v ZhETF 102, 759 (2015)]}
}