@article{JETPL.99.403, title = {}, author = {Kistanov, A. A. and , and , and , and , }, journal = {JETP Lett.}, volume = {99}, issue = {6}, pages = {353}, year = {2014}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X14060101}, note = {[Pisma v ZhETF 99, 403 (2014)]} }