%0 Journal Article %A Perez, Albert %T Information-theoretic approach to measurement reduction problems %J Kybernetika %D 1970 %P 90-98 %V 6 %N 2 %U http://geodesic.mathdoc.fr/item/KYB_1970_6_2_a1/ %G en %F KYB_1970_6_2_a1