@article{PismaZhETF.79.131,
    title = {Coexistence of different vacua in the effective quantum field theory and Multiple Point Principle},
    author = {Volovik, G. E.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {79},
    issue = {3},
    pages = {131},
    year = {2004},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_2795.shtml},
}