%0 Journal Article %A Soukup, Václav %T Linear nonstationary system with discrete-time input %J Kybernetika %D 1973 %P 30-41 %V 9 %N 1 %U http://geodesic.mathdoc.fr/item/KYB_1973_9_1_a2/ %G en %F KYB_1973_9_1_a2