@article{JETPL.110.230, title = {}, author = {Kudryashov, S. I. and , and Sheligyna, S. N. and Busleev, N. I. and , and Smirnov, N. A. and , and , and Ionin, A. A. and , }, journal = {JETP Lett.}, volume = {110}, issue = {4}, pages = {250}, year = {2019}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.1134/S0370274X19160033}, note = {[Pisma v ZhETF 110, 230 (2019)]} }