%0 Journal Article
%A Skula, Ladislav
%T System of layers of an ordered set
%J Czechoslovak Mathematical Journal
%D 1969
%P 27-41
%V 19
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1969.100873/
%R 10.21136/CMJ.1969.100873
%G en
%F 10_21136_CMJ_1969_100873