@article{PismaZhETF.56.470,
    title = {On the spin-wave spectrum of s = 1/2 triangular lattice Heisenberg antiferromagnet},
    author = {Barabanov, A. F. and Mikheyenkov, A. V.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {56},
    issue = {9},
    pages = {470},
    year = {1992},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_4541.shtml},
}