@article{PismaZhETF.23.189,
    title = {Anomalous behavior of phonon spectrum near 2.5-order phase transition},
    author = {Galkin, A. A. and Svistunov, V. M. and Revenko, Yu. F. and Mostovoi, V. M. and Belogolovskii, M. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {23},
    issue = {4},
    pages = {189},
    year = {1976},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_27456.shtml},
}