%0 Journal Article
%A Bernard, Otto
%T On contexts of direct products, ordinal sums and ordinal products
%J Acta Universitatis Carolinae. Mathematica et Physica
%D 2003
%P 3-15
%V 44
%N 2
%I mathdoc
%U https://geodesic-test.mathdoc.fr/item/AUCMP_2003__44_2_a0/
%G en
%F AUCMP_2003__44_2_a0