@article{JETPL.106.506, title = {}, author = {, and , and Selivanov, Yu. G. and Chizhevskii, E. G. and , }, journal = {JETP Lett.}, volume = {106}, issue = {8}, pages = {526}, year = {2017}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X17200097}, note = {[Pisma v ZhETF 106, 506 (2017)]} }