@article{JETPL.100.385, title = {}, author = {Loginov, A. Yu.}, journal = {JETP Lett.}, volume = {100}, issue = {5}, pages = {346}, year = {2014}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X14170111}, note = {[Pisma v ZhETF 100, 385 (2014)]} }