%0 Journal Article %A Zabczyk, Jerzy %T Stability properties of the discrete Riccati operator equation %J Kybernetika %D 1977 %P 1-10 %V 13 %N 1 %U http://geodesic.mathdoc.fr/item/KYB_1977_13_1_a0/ %G en %F KYB_1977_13_1_a0