@article{JETPL.106.297, title = {}, author = {, and , and Anisimov, V. I.}, journal = {JETP Lett.}, volume = {106}, issue = {5}, pages = {317}, year = {2017}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X17170076}, note = {[Pisma v ZhETF 106, 297 (2017)]} }