@article{JETPL.100.703, title = {}, author = {Sazonov, S. V. and , and Ustinov, N. V.}, journal = {JETP Lett.}, volume = {100}, issue = {10}, pages = {620}, year = {2014}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X14220044}, note = {[Pisma v ZhETF 100, 703 (2014)]} }