@article{PismaZhETF.2.105,
    title = {The Quark Hypothesis and Relations Between Cross Sections at High Energies},
    author = {Levin, E. M. and Frankfurt, L. L.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {2},
    issue = {3},
    pages = {105},
    year = {1965},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_24474.shtml},
}