@article{JETPL.101.563, title = {}, author = {Rusinov, I. P. and Tereshchenko, O. E. and Kokh, K. A. and , and , and Chulkov, E. V.}, journal = {JETP Lett.}, volume = {101}, issue = {8}, pages = {507}, year = {2015}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X15080019}, note = {[Pisma v ZhETF 101, 563 (2015)]} }