@article{JETPL.103.742, title = {}, author = {, and , and Anisimov, V. I.}, journal = {JETP Lett.}, volume = {103}, issue = {10}, pages = {658}, year = {2016}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X16100106}, note = {[Pisma v ZhETF 103, 742 (2016)]} }