@article{JETPL.100.281, title = {}, author = {Gorlova, I. G. and Zybtsev, S. G. and Pokrovskii, V. Ya.}, journal = {JETP Lett.}, volume = {100}, issue = {4}, pages = {256}, year = {2014}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X14160085}, note = {[Pisma v ZhETF 100, 281 (2014)]} }