%0 Journal Article %A Chalendar, I. %A Fricain, E. %A Timotin, D. %T A note on the stability of linear combinations of algebraic operators. %J Extracta mathematicae %D 2008 %P 43-48 %V 23 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/EXMATH_2008_2008_1_a3/ %G en %F EXMATH_2008_2008_1_a3