@article{JETPL.100.374, title = {}, author = {, and , and , and Tayurskii, D. A. and Volovik, G. E.}, journal = {JETP Lett.}, volume = {100}, issue = {5}, pages = {336}, year = {2014}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X14170093}, note = {[Pisma v ZhETF 100, 374 (2014)]} }