@article{PismaZhETF.24.346,
    title = {Singular points of a force-free magnetic field},
    author = {Syrovatskii, S. I.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {24},
    issue = {6},
    pages = {346},
    year = {1976},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_27712.shtml},
}