@article{JETPL.106.644,
    title = {},
    author = {Luo, M. and ,  and Chu, J. H.},
    journal = {JETP Lett.},
    volume = {106},
    issue = {10},
    pages = {672},
    year = {2017},
    doi = {},
    url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X17220106},
    note = {[Pisma v ZhETF 106, 644 (2017)]}
}