@article{JETPL.95.443, title = {}, author = {Rozanov, A. N. and Vysotsky, M. I.}, journal = {JETP Lett.}, volume = {95}, issue = {8}, pages = {397}, year = {2012}, doi = {}, url = {http://jetpletters.ru/ps/0/article_29680.shtml}, note = {[Pisma v ZhETF 95, 443 (2012)]} }