@article{PismaZhETF.16.462,
    title = {Singularities of the Superconducting Transition in Pure Single-crystal Tin According to Ultrasonic Measurement Data},
    author = {Fil', V. D. and Denisenko, V. I. and Bezuglyi, P. A. and Masalitin, E. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {16},
    issue = {8},
    pages = {462},
    year = {1972},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_26891.shtml},
}