%0 Journal Article %A Spal, Jindřich %T Algebraic approach of the root-loci method %J Kybernetika %D 1970 %P -381 %V 06 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/KYB_1970__6_5_a3/ %G en %F KYB_1970__6_5_a3