@article{JETPL.107.636, title = {}, author = {Beloplotov, D. V. and , and Tarasenko, V. F. and Sorokin, D. A.}, journal = {JETP Lett.}, volume = {107}, issue = {10}, pages = {606}, year = {2018}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X18100041}, note = {[Pisma v ZhETF 107, 636 (2018)]} }