%0 Journal Article %A A. M. Akhtyamov %T On the determination of a boundary condition from a finite set of eigenvalues %J Differencialʹnye uravneniâ %D 1999 %P 1127-1128 %V 35 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1999_35_8_a15/ %G ru %F DE_1999_35_8_a15