@article{PismaZhETF.33.27,
    title = {Critical anomalies of the velocity and absorption of sound in a quasi-one-dimensional ferroelectric material $CsH_2PO_4$},
    author = {Yakushkin, E. D. and Baranov, A. I. and Shuvalov, L. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {33},
    issue = {1},
    pages = {27},
    year = {1981},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_22922.shtml},
}