%0 Journal Article %A V. G. Yakhno %T A multidimensional inverse dynamic problem of isotropic %J Doklady Akademii Nauk %D 1989 %P 582-585 %V 304 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1989_304_3_a16/ %G ru %F DAN_1989_304_3_a16