%0 Journal Article %A L. L. Pitaevskaya %A A. V. Bilevich %A N. B. Isakova %T Ultrasoud velocity in argon under up to 4 kilobars pressure within $25\div200^\circ$ temperature range %J Doklady Akademii Nauk %D 1969 %P 1315-1316 %V 184 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1969_184_6_a15/ %G ru %F DAN_1969_184_6_a15