@article{PismaZhETF.8.588,
    title = {Dispersion Sum Rules for the Form Factor of the Pion},
    author = {Khalfin, L. A. and Shcherbin, Yu. P.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {8},
    issue = {10},
    pages = {588},
    year = {1968},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_26421.shtml},
}