@article{PismaZhETF.18.650,
    title = {Wave functions of the parton model},
    author = {Shapiro, I. S.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {18},
    issue = {10},
    pages = {650},
    year = {1973},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_24055.shtml},
}