@article{JETPL.100.633, title = {}, author = {Melnikov, A. V. and Eliseev, L. G. and Lysenko, S. E. and , and , and , and , and , }, journal = {JETP Lett.}, volume = {100}, issue = {9}, pages = {555}, year = {2014}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X14210048}, note = {[Pisma v ZhETF 100, 633 (2014)]} }