%0 Journal Article %A V. V. Dubrovskii %T A uniqueness theorem for the solution of inverse problems in spectral analysis %J Differencialʹnye uravneniâ %D 1997 %P 421-422 %V 33 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1997_33_3_a21/ %G ru %F DE_1997_33_3_a21