%0 Journal Article %A L. A. Sakhnovich %T The spectral analysis of Volterra operators and some inverse problems %J Doklady Akademii Nauk %D 1957 %P 666-669 %V 115 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1957_115_4_a8/ %G ru %F DAN_1957_115_4_a8