@article{JETPL.100.881, title = {}, author = {Naumenko, G. A. and Potylitsyn, A. P. and Bleko, V. V. and , }, journal = {JETP Lett.}, volume = {100}, issue = {12}, pages = {776}, year = {2014}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X14240047}, note = {[Pisma v ZhETF 100, 881 (2014)]} }