%0 Journal Article %A Sůva, Slavomír %T Graphical analysis of first and second order pulse-width-modulated sampled-data regulator systems %J Kybernetika %D 1971 %P 58-76 %V 7 %N 1 %U http://geodesic.mathdoc.fr/item/KYB_1971_7_1_a5/ %G en %F KYB_1971_7_1_a5