%0 Journal Article %A A. RUHE %T Properties of a Matrix with a Very Ill-conditioned Eigenproblem. %J Numerische Mathematik %D 1970 %P 57-60 %V 15 %I mathdoc %U http://geodesic.mathdoc.fr/item/NUMA_1970__15_131973/ %F NUMA_1970__15_131973