@article{PismaZhETF.23.369,
    title = {Hydronic molecules and the charmonium atom},
    author = {Voloshin, M. B. and Okun', L. B.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {23},
    issue = {6},
    pages = {369},
    year = {1976},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_27526.shtml},
}