@article{PismaZhETF.33.350,
    title = {Alternative calculation of the instanton contribution to the $\Beta$ function in the Yang-Mills theory},
    author = {II'genfrits, E. M. and Kazakov, D. I. and Myuller-Proisker, M.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {33},
    issue = {6},
    pages = {350},
    year = {1981},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_23027.shtml},
}