@article{PismaZhETF.99.552,
    title = {Emergent Weyl fermions and the origin of $i=\sqrt{-1}$ in quantum mechanics},
    author = {Volovik, G. E. and Zubkov, M. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {99},
    issue = {8},
    pages = {552},
    year = {2014},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_30764.shtml},
}