%0 Journal Article %A A. Kh. Amirov %T The question of the solvability of inverse problems %J Doklady Akademii Nauk %D 1986 %P 268-270 %V 290 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1986_290_2_a1/ %G ru %F DAN_1986_290_2_a1