@article{JETPL.101.677,
    title = {},
    author = {Makarov, D. N. and Matveev, V. I.},
    journal = {JETP Lett.},
    volume = {101},
    issue = {9},
    pages = {603},
    year = {2015},
    doi = {},
    url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X15090040},
    note = {[Pisma v ZhETF 101, 677 (2015)]}
}