@article{PismaZhETF.29.361,
    title = {Magnetic properties of a vacancy in a quantum Fermi crystal with a flat triangular lattice},
    author = {Iordanskii, S. V.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {29},
    issue = {6},
    pages = {361},
    year = {1979},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_22095.shtml},
}