%0 Journal Article %A A. Kh. Amirov %T Solvability of the inverse problems for second-order equations %J Funkcionalʹnyj analiz i ego priloženiâ %D 1986 %P 80-81 %V 20 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_1986_20_3_a7/ %G ru %F FAA_1986_20_3_a7