%0 Journal Article %A Kučera, Vladimír %T Algebraic theory of discrete optimal control for single-variable systems. I. Preliminaries %J Kybernetika %D 1973 %P 94-107 %V 9 %N 2 %U http://geodesic.mathdoc.fr/item/KYB_1973_9_2_a2/ %G en %F KYB_1973_9_2_a2