@article{JETPL.107.803, title = {}, author = {Shvetsov, O. O. and , and Timonina, A. V. and Kolesnikov, N. N. and Deviatov, E. V.}, journal = {JETP Lett.}, volume = {107}, issue = {12}, pages = {774}, year = {2018}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X18120081}, note = {[Pisma v ZhETF 107, 803 (2018)]} }