%0 Journal Article %A V. V. Varlamov %T Energy estimates for the integro-differential equation describing acoustic waves in a medium with a “memory” %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 1993 %P 146-150 %V 33 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZVMMF_1993_33_1_a11/ %G ru %F ZVMMF_1993_33_1_a11