@article{PismaZhETF.58.358, title = {Surface normal component of a superfluid liquid}, author = {Andreev, A. F.}, journal = {πΙΣΨΝΑ Χ φότζ}, volume = {58}, issue = {5}, pages = {358}, year = {1993}, doi = {}, url = {http://jetpletters.ru/ps/0/article_17933.shtml}, }