%0 Journal Article %A Cawood, M.E. %A Cox, C.L. %T Perturbation analysis for eigenstructure assignment of linear multi-input systems %J Electronic transactions on numerical analysis %D 2000 %P 25-42 %V 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/ETNA_2000__11__a6/ %G en %F ETNA_2000__11__a6