@article{PismaZhETF.10.270,
    title = {Quarks with Complex Spin},
    author = {Roginskii, V. I. and Shapiro, I. S.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {10},
    issue = {6},
    pages = {270},
    year = {1969},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25950.shtml},
}