%0 Journal Article
%A Witzany, Jiří
%T Correspondence between interval $\pi$-equivalences and $Sd$-functions
%J Commentationes Mathematicae Universitatis Carolinae
%D 1989
%P 175-187
%V 30
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMUC_1989__30_1_a20/
%G en
%F CMUC_1989__30_1_a20