@article{JETPL.110.400, title = {}, author = {Gorlova, I. G. and Frolov, A. V. and Orlov, A. P. and Pokrovskii, V. Ya. and , }, journal = {JETP Lett.}, volume = {110}, issue = {6}, pages = {417}, year = {2019}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.1134/S0370274X19180097}, note = {[Pisma v ZhETF 110, 400 (2019)]} }