@article{JETPL.101.417, title = {}, author = {, and , and , and , and , and , and , and , and , and , and , and , and , and , and Granovsky, A. B.}, journal = {JETP Lett.}, volume = {101}, issue = {6}, pages = {385}, year = {2015}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X15060053}, note = {[Pisma v ZhETF 101, 417 (2015)]} }