%0 Journal Article %A Yu. A. Tserkovnikov %T The second sound in a slightly non-ideal Bose gas %J Doklady Akademii Nauk %D 1964 %P 1264-1267 %V 159 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1964_159_6_a18/ %G ru %F DAN_1964_159_6_a18