@article{JETPL.104.167, title = {}, author = {, and , and , and Alodjants, A. P.}, journal = {JETP Lett.}, volume = {104}, issue = {3}, pages = {169}, year = {2016}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X16150054}, note = {[Pisma v ZhETF 104, 167 (2016)]} }