@article{PismaZhETF.94.273,
    title = {Shares of sea and valence quarks in the proton spin puzzle},
    author = {Shevchenko, O. Yu. and Akhunzyanov, R. R. and Lavrentyev, V. Yu.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {94},
    issue = {4},
    pages = {273},
    year = {2011},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_29484.shtml},
}