@article{JETPL.105.483, title = {}, author = {Bordonskiy, G. S. and Orlov, A. O.}, journal = {JETP Lett.}, volume = {105}, issue = {8}, pages = {492}, year = {2017}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X17080045}, note = {[Pisma v ZhETF 105, 483 (2017)]} }