@article{PismaZhETF.37.443,
    title = {Power-law corrections to the quantum chromodynamics sum rules for charmonium},
    author = {Nikolaev, S. N. and Radyushkin, A. V.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {37},
    issue = {9},
    pages = {443},
    year = {1983},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_22853.shtml},
}