@article{PismaZhETF.15.353,
    title = {Possible Existence of Hadronic Isomers},
    author = {Pontecorvo, B.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {15},
    issue = {6},
    pages = {353},
    year = {1972},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_26590.shtml},
}