@article{PismaZhETF.92.751, title = {Fermions with cubic and quartic spectrum}, author = {Heikkilä, T. T. and Volovik, G. E.}, journal = {πΙΣΨΝΑ Χ φότζ}, volume = {92}, issue = {10}, pages = {751}, year = {2010}, doi = {}, url = {http://jetpletters.ru/ps/0/article_29062.shtml}, }