@article{PismaZhETF.54.71,
    title = {Self-dual solutions of the Yang-Mills equations for an arbitrary gauge group},
    author = {Popov, A. D.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {54},
    issue = {2},
    pages = {71},
    year = {1991},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_18087.shtml},
}