@article{PismaZhETF.27.500,
    title = {Magnetic properties and dipole interaction in systems of superparamagnetic particles},
    author = {Kokorin, V. V. and Perekos, A. E.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {27},
    issue = {9},
    pages = {500},
    year = {1978},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_23753.shtml},
}