%0 Journal Article %A Z. I. Leibenzon %T The relation between the inverse problem and the completeness of eigenfunctions %J Doklady Akademii Nauk %D 1962 %P 519-522 %V 145 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1962_145_3_a11/ %G ru %F DAN_1962_145_3_a11