%0 Journal Article %A Christian Jansson %T Rigorous Sensitivity Analysis for Real Symmetric Matrices with Uncertain Data %J Mathematica balkanica %D 1991 %P 109 %V 5 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MABA_1991_5_2_a4/ %F MABA_1991_5_2_a4