@article{PismaZhETF.2.53,
    title = {A Possible Generalization of Einstein's Equations},
    author = {Gliner, E. B.},
    journal = {Письма в ЖЭТФ},
    volume = {2},
    issue = {2},
    pages = {53},
    year = {1965},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_24456.shtml},
}