%0 Journal Article %A D. K. Durdiev %T Problem of determining the~nonstationary potential in a~hyperbolic-type equation %J Teoretičeskaâ i matematičeskaâ fizika %D 2008 %P 220-225 %V 156 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_2008_156_2_a4/ %G ru %F TMF_2008_156_2_a4