%0 Journal Article %A Soukup, Václav %T Weighting function and state equations of linear discrete-time-varying system %J Kybernetika %D 1973 %P -474 %V 09 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/KYB_1973__9_6_a3/ %G en %F KYB_1973__9_6_a3