@article{PismaZhETF.90.793,
    title = {$\boldsymbol{\hbar}$ as parameter of Minkowski metric in effective theory},
    author = {Volovik, G. E.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {90},
    issue = {11},
    pages = {793},
    year = {2009},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_28677.shtml},
}