@article{PismaZhETF.56.69,
    title = {The  $χ \to D(D* )ev$-decay amplitude factorization and the Isgur-Wise function calculation},
    author = {Ivanov, M. A. and Khomutenko, O. E.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {56},
    issue = {2},
    pages = {69},
    year = {1992},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_4458.shtml},
}