%0 Journal Article
%A Hájek, Petr
%T Automatic listing of important observational statements. II
%J Kybernetika
%D 1973
%P -271
%V 09
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/KYB_1973__9_4_a3/
%G en
%F KYB_1973__9_4_a3