@article{JETPL.96.22, title = {}, author = {Dubinskii, A. Yu. and Popel, S. I.}, journal = {JETP Lett.}, volume = {96}, issue = {1}, pages = {21}, year = {2012}, doi = {}, url = {http://jetpletters.ru/ps/0/article_29854.shtml}, note = {[Pisma v ZhETF 96, 22 (2012)]} }