%0 Journal Article %A M. G. Krein %A A. A. Nudelman %T On direct and inverse problems for the boundary dissipation frequencies of a nonuniform string %J Doklady Akademii Nauk %D 1979 %P 1046-1049 %V 247 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1979_247_5_a3/ %G ru %F DAN_1979_247_5_a3