%0 Journal Article %A V. M. Isakov %T The uniqueness of the solution of certain inverse hyperbolic problems %J Differencialʹnye uravneniâ %D 1974 %P 165-167 %V 10 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1974_10_1_a19/ %G ru %F DE_1974_10_1_a19