@article{PismaZhETF.52.937,
    title = {Yet another component on the order of $\alpha^2(Z\alpha)E_F$ in the hyperfine splitting in muonium and hydrogen},
    author = {Karshenboim, S. G. and Shelyuto, V. A. and Eides, M. I.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {52},
    issue = {6},
    pages = {937},
    year = {1990},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_17501.shtml},
}