%0 Journal Article %A Hájek, Petr %T Automatic listing of important observational statements. III %J Kybernetika %D 1974 %P -124 %V 10 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/KYB_1974__10_2_a2/ %G en %F KYB_1974__10_2_a2