%0 Journal Article %A Peterka, Václav %T A square root filter for real time multivariate regression %J Kybernetika %D 1975 %P 53-67 %V 11 %N 1 %U http://geodesic.mathdoc.fr/item/KYB_1975_11_1_a5/ %G en %F KYB_1975_11_1_a5