@article{PismaZhETF.8.669,
    title = {T-Models of "Sphere" in General Relativity Theory},
    author = {Ruban, V. A.},
    journal = {Письма в ЖЭТФ},
    volume = {8},
    issue = {12},
    pages = {669},
    year = {1968},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_26440.shtml},
}