@article{JETPL.99.760, title = {}, author = {Povzner, A. A. and Filanovich, A. N. and Shorikov, A. O. and , and , }, journal = {JETP Lett.}, volume = {99}, issue = {11}, pages = {656}, year = {2014}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X14110095}, note = {[Pisma v ZhETF 99, 760 (2014)]} }