@article{JETPL.102.701, title = {}, author = {, and Streltsov, S. V. and Korotin, M. A. and Anisimov, V. I.}, journal = {JETP Lett.}, volume = {102}, issue = {9}, pages = {616}, year = {2015}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X15210092}, note = {[Pisma v ZhETF 102, 701 (2015)]} }