%0 Journal Article
%A R.N., Haff, C.E. Burns
%T A combinatorial ranking problem. (Short Communication).
%J Aequationes mathematicae
%D 1976
%P 245-246
%V 14
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AM2_1976__14_136585/
%F AM2_1976__14_136585