@article{PismaZhETF.52.717,
    title = {Entropy of the choice of vacuum during phase transitions},
    author = {Saakyan, D. B.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {52},
    issue = {2},
    pages = {717},
    year = {1990},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_17440.shtml},
}