@article{JETPL.97.161, title = {}, author = {Nurgazizov, N. I. and Bizyaev, D. A. and Bukharaev, A. A. and Lisin, V. N. and Chuklanov, A. P.}, journal = {JETP Lett.}, volume = {97}, issue = {3}, pages = {141}, year = {2013}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X13030053}, note = {[Pisma v ZhETF 97, 161 (2013)]} }