%0 Journal Article
%A Hájek, Petr
%T Automatic listing of important observational statements. I
%J Kybernetika
%D 1973
%P 187-205
%V 9
%N 3
%U http://geodesic.mathdoc.fr/item/KYB_1973_9_3_a3/
%G en
%F KYB_1973_9_3_a3