@article{PismaZhETF.2.209,
    title = {Pseudo-Stark Splitting of $4f\to$ 5d Lines of $Ce^{3+}$ Ions in $CaF_2$ Crystals},
    author = {Kaplyanskii, A. A. and Medvedev, V. M.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {2},
    issue = {5},
    pages = {209},
    year = {1965},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_24501.shtml},
}