@article{PismaZhETF.13.720, title = {Surface Second Sound in Liquid Helium}, author = {Andreev, A. F. and Kompaneets, D. A.}, journal = {πΙΣΨΝΑ Χ φότζ}, volume = {13}, issue = {12}, pages = {720}, year = {1971}, doi = {}, url = {http://jetpletters.ru/ps/0/article_24385.shtml}, }