@article{PismaZhETF.10.402,
    title = {Quasinuclear Levels in the Nucleon-antinucleon System},
    author = {Dal'karov, O. D. and Mandel'tsveig, V. B. and Shapiro, I. S.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {10},
    issue = {8},
    pages = {402},
    year = {1969},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25756.shtml},
}