@article{JETPL.97.38, title = {}, author = {, and , and , and Kaul?, A. R. and Vasiliev, A. N.}, journal = {JETP Lett.}, volume = {97}, issue = {1}, pages = {34}, year = {2013}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X13010074}, note = {[Pisma v ZhETF 97, 38 (2013)]} }