@article{JETPL.105.363, title = {}, author = {, and Murtazaev, A. K.}, journal = {JETP Lett.}, volume = {105}, issue = {6}, pages = {384}, year = {2017}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X1706008X}, note = {[Pisma v ZhETF 105, 363 (2017)]} }