@article{PismaZhETF.35.94,
    title = {The quantum oscillations in the velocity and attenuation of sound under  magnetic-breakdown conditions have different mechanisms},
    author = {Makarov, V. I. and Slutskin, A. A. and Gorelik, L. Yu. and San'kov, A. A. and Klochko, V. S.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {35},
    issue = {3},
    pages = {94},
    year = {1982},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_19834.shtml},
}