@article{JETPL.102.660,
    title = {},
    author = {Prudnikov, O. N. and Taichenachev, A. V. and Yudin, V. I.},
    journal = {JETP Lett.},
    volume = {102},
    issue = {9},
    pages = {576},
    year = {2015},
    doi = {},
    url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X1521002X},
    note = {[Pisma v ZhETF 102, 660 (2015)]}
}