%0 Journal Article %A M.A. JENKINS %A J.F. TRAUB %T A Three-Stage Variable-Shift Iteration for Polynomial Zeros and Its Relation to Generalized Rayleigh Iteration. %J Numerische Mathematik %D 1970 %P 252-263 %V 14 %I mathdoc %U http://geodesic.mathdoc.fr/item/NUMA_1970__14_131948/ %F NUMA_1970__14_131948