@article{PismaZhETF.72.746,
    title = {Invariant spin coherent states and the theory of quantum antiferromagnet in a paramagnetic phase},
    author = {Belinicher, V. I. and da Providencia, J.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {72},
    issue = {10},
    pages = {746},
    year = {2000},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_13803.shtml},
}