@article{PismaZhETF.47.345,
    title = {Nonlinear acoustic properties of the $CeAl_3$ Kondo system at low temperatures},
    author = {Voronov, B. B. and Korobov, A. I. and Moshchalkov, V. V.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {47},
    issue = {7},
    pages = {345},
    year = {1988},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_16528.shtml},
}