%0 Journal Article
%A Vlk, Tomáš
%T Semantic analysis of topic and focus
%J Kybernetika
%D 1989
%P 523-532
%V 25
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/KYB_1989__25_6_a9/
%G en
%F KYB_1989__25_6_a9