@article{JETPL.97.354, title = {}, author = {, and Taichenachev, A. V. and Yudin, V. I.}, journal = {JETP Lett.}, volume = {97}, issue = {6}, pages = {311}, year = {2013}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X13060052}, note = {[Pisma v ZhETF 97, 354 (2013)]} }