@article{JETPL.101.258, title = {}, author = {Soloviev, I. I. and Klenov, N. V. and Bakurskiy, S. V. and Kupriyanov, M. Yu. and , }, journal = {JETP Lett.}, volume = {101}, issue = {4}, pages = {240}, year = {2015}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X15040062}, note = {[Pisma v ZhETF 101, 258 (2015)]} }