@article{PismaZhETF.58.826,
    title = {Clusters with magic numbers of vortices in rotating superfluids},
    author = {Volovik, G. E. and Parts, U.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {58},
    issue = {10},
    pages = {826},
    year = {1993},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_4813.shtml},
}