@article{PismaZhETF.77.68,
    title = {Pion distribution amplitudes within the instanton model of QCD vacuum},
    author = {Dorokhov, A. E.},
    journal = {Письма в ЖЭТФ},
    volume = {77},
    issue = {2},
    pages = {68},
    year = {2003},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_168.shtml},
}