@article{PismaZhETF.51.72,
    title = {Fermion pair exponentiation in QED},
    author = {Catani, S. and Trentadue, L.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {51},
    issue = {2},
    pages = {72},
    year = {1990},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_17189.shtml},
}