%0 Journal Article %A L. L. Pitaevskaya %A A. A. Popov %T Sound velocity in helium-carbon dioxide mixtures at high pressures %J Doklady Akademii Nauk %D 1991 %P 1112-1116 %V 316 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1991_316_5_a20/ %G ru %F DAN_1991_316_5_a20