@article{JETPL.110.90, title = {}, author = {Kudryashov, S. I. and Smirnov, N. A. and , and , and , and , and Ionin, A. A.}, journal = {JETP Lett.}, volume = {110}, issue = {2}, pages = {107}, year = {2019}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.1134/S0370274X19140042}, note = {[Pisma v ZhETF 110, 90 (2019)]} }