@article{PismaZhETF.1.40,
    title = {Analog of the Zeeman effect in the gravitational field of a rotating star},
    author = {Zel'dovich, Ya. B.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {1},
    issue = {3},
    pages = {40},
    year = {1965},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_24409.shtml},
}