@article{JETPL.100.79,
    title = {},
    author = {Gus?kov, S. Yu.},
    journal = {JETP Lett.},
    volume = {100},
    issue = {2},
    pages = {71},
    year = {2014},
    doi = {},
    url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X1414001X},
    note = {[Pisma v ZhETF 100, 79 (2014)]}
}