@article{PismaZhETF.37.611,
    title = {Quantum-chromodynamics calculation of $g_A$},
    author = {Belyaev, V. M. and Kogan, Ya. I.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {37},
    issue = {12},
    pages = {611},
    year = {1983},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_22911.shtml},
}