@article{JETPL.97.156, title = {}, author = {Larionov, A. V. and Zhuravlev, A. S.}, journal = {JETP Lett.}, volume = {97}, issue = {3}, pages = {137}, year = {2013}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X13030041}, note = {[Pisma v ZhETF 97, 156 (2013)]} }