%0 Journal Article %A Markl, Jaroslav %T Recursive estimation as an optimally controlled process %J Kybernetika %D 1985 %P 272-286 %V 21 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/KYB_1985__21_4_a3/ %G en %F KYB_1985__21_4_a3