@article{PismaZhETF.3.32,
    title = {Experimental Observation of Fourth Sound in $He^3-He^4$ Solutions},
    author = {Esel'son, B. N. and Dyumin, N. E. and Rudavskii, E. Ya. and Serbin, I. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {3},
    issue = {1},
    pages = {32},
    year = {1966},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_24679.shtml},
}