@article{JETPL.100.357, title = {}, author = {, and Sukhorukova, O. S. and Tarasenko, S. V. and Shavrov, V. G.}, journal = {JETP Lett.}, volume = {100}, issue = {5}, pages = {319}, year = {2014}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X14170068}, note = {[Pisma v ZhETF 100, 357 (2014)]} }