@article{JETPL.107.814, title = {}, author = {Gusev, G. M. and Olshanetsky, E. B. and Kvon, Z. D. and Magarill, L. I. and Entin, M. V. and , and Mikhailov, N. N.}, journal = {JETP Lett.}, volume = {107}, issue = {12}, pages = {789}, year = {2018}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X18120111}, note = {[Pisma v ZhETF 107, 814 (2018)]} }