@article{PismaZhETF.10.209,
    title = {Concerning an Experimental Verification of the Self-consistent Potential for 4f Electrons.},
    author = {Sumbaev, O. I. and Smirnov, Yu. P. and Petrovich, E. V. and Zykov, V. S. and Grushko, A. I.},
    journal = {Письма в ЖЭТФ},
    volume = {10},
    issue = {5},
    pages = {209},
    year = {1969},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25720.shtml},
}