@article{JETPL.103.458, title = {}, author = {, and Vodolazov, D. Yu.}, journal = {JETP Lett.}, volume = {103}, issue = {6}, pages = {409}, year = {2016}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X16060096}, note = {[Pisma v ZhETF 103, 458 (2016)]} }