@article{PismaZhETF.96.231,
    title = {The cosmological constant: a lesson from the effective gravity of topological Weyl media},
    author = {Jannes, G. and Volovik, G. E.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {96},
    issue = {4},
    pages = {231},
    year = {2012},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_29894.shtml},
}