@article{PismaZhETF.20.24,
    title = {Conformal group and chemical affinity},
    author = {Fet, A. I.},
    journal = {Письма в ЖЭТФ},
    volume = {20},
    issue = {1},
    pages = {24},
    year = {1974},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_27175.shtml},
}