%0 Journal Article
%A Z. J. Jakubowski
%T On some properties of extremal functions of Carathéodory
%J Commentationes Mathematicae
%D 1973
%P  71-80
%V 17
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.14708/cm.v17i1.5752/
%R 10.14708/cm.v17i1.5752
%G pl
%F 10_14708_cm_v17i1_5752