%0 Journal Article %A A. D. Iskenderov %T An inverse problem on the determination of the coefficients of an elliptic equation %J Differencialʹnye uravneniâ %D 1979 %P 858-867 %V 15 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1979_15_5_a9/ %G ru %F DE_1979_15_5_a9