%0 Journal Article %A Hájek, Petr %T Automatic listing of important observational statements. III %J Kybernetika %D 1974 %P 95-124 %V 10 %N 2 %U http://geodesic.mathdoc.fr/item/KYB_1974_10_2_a2/ %G en %F KYB_1974_10_2_a2