@article{JETPL.95.290, title = {}, author = {Chernozatonskii, L. A. and Artyukh, A. A. and Kvashnin, D. G.}, journal = {JETP Lett.}, volume = {95}, issue = {5}, pages = {}, year = {2012}, doi = {}, url = {http://jetpletters.ru/ps/0/article_29658.shtml}, note = {[Pisma v ZhETF 95, 290 (2012)]} }