%0 Journal Article %A Yu. A. Tserkovnikov %T On the second sound in Bose's non-ideal gas %J Doklady Akademii Nauk %D 1966 %P 1064-1067 %V 169 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1966_169_5_a21/ %G ru %F DAN_1966_169_5_a21