@article{JETPL.100.207,
    title = {},
    author = {Kagan, M. Yu. and Kugel, K. I. and ,  and , },
    journal = {JETP Lett.},
    volume = {100},
    issue = {3},
    pages = {187},
    year = {2014},
    doi = {},
    url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X14150090},
    note = {[Pisma v ZhETF 100, 207 (2014)]}
}