@article{JETPL.96.328, title = {}, author = {Lisin, V. N. and Shegeda, A. M.}, journal = {JETP Lett.}, volume = {96}, issue = {5}, pages = {298}, year = {2012}, doi = {}, url = {http://jetpletters.ru/ps/0/article_29924.shtml}, note = {[Pisma v ZhETF 96, 328 (2012)]} }