%0 Journal Article
%A Karel A. Post
%T Moessnerian theorems. How to prove them by simple graph theoretical inspection.
%J Elemente der Mathematik
%D 1990
%P 46-51
%V 45
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ELMA_1990__45_6_141479/
%F ELMA_1990__45_6_141479