@article{JETPL.102.714, title = {}, author = {Mamin, G. V. and Orlinskii, S. B. and Rodionov, A. A. and Tagirov, M. S.}, journal = {JETP Lett.}, volume = {102}, issue = {9}, pages = {628}, year = {2015}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X15210122}, note = {[Pisma v ZhETF 102, 714 (2015)]} }