%0 Journal Article %A M. P. Volarovich %A D. B. Balashov %A I. S. Tomashevskaya %A V. A. Pavlogradskii %T An investigation of elastic waves speeds in rock samples under joint action %J Doklady Akademii Nauk %D 1963 %P 583-585 %V 149 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1963_149_3_a24/ %G ru %F DAN_1963_149_3_a24