%0 Journal Article %A Kučera, Vladimír %T The discrete Riccati equation of optimal control %J Kybernetika %D 1972 %P 430-447 %V 8 %N 5 %U http://geodesic.mathdoc.fr/item/KYB_1972_8_5_a5/ %G en %F KYB_1972_8_5_a5