%0 Journal Article %A Kaczorek, T. %T Positivity and stability of fractional descriptor time-varying discrete-time linear systems %J International Journal of Applied Mathematics and Computer Science %D 2016 %P 5-13 %V 26 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/IJAMCS_2016_26_1_a0/ %G en %F IJAMCS_2016_26_1_a0