@article{PismaZhETF.80.531,
    title = {On thermodynamic and quantum fluctuations of cosmological constant},
    author = {Volovik, G. E.},
    journal = {Письма в ЖЭТФ},
    volume = {80},
    issue = {7},
    pages = {531},
    year = {2004},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_7440.shtml},
}