@article{JETPL.102.471, title = {}, author = {Voronin, V. V. and , and , and , and , and , and , and , and Fedorov, V. V. and , }, journal = {JETP Lett.}, volume = {102}, issue = {7}, pages = {417}, year = {2015}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X15190030}, note = {[Pisma v ZhETF 102, 471 (2015)]} }