@article{PismaZhETF.47.647,
    title = {The spin topological index of $^3He$},
    author = {Balatskii, A. V.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {47},
    issue = {12},
    pages = {647},
    year = {1988},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_16617.shtml},
}