@article{PismaZhETF.21.656,
    title = {Temperature dependence of the phonon frequencies in $Nb_3Sn$ and $V_3Si$},
    author = {Gor'kov, L. P. and Dorokhov, O. N.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {21},
    issue = {11},
    pages = {656},
    year = {1975},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_22515.shtml},
}