@article{JETPL.99.824, title = {}, author = {Aleshkin, V. Ya. and , }, journal = {JETP Lett.}, volume = {99}, issue = {12}, pages = {712}, year = {2014}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X1412008X}, note = {[Pisma v ZhETF 99, 824 (2014)]} }