TY  - JOUR
AU  - R.N., Haff, C.E. Burns
TI  - A combinatorial ranking problem. (Short Communication).
JO  - Aequationes mathematicae
PY  - 1976
SP  - 245
EP  - 246
VL  - 14
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AM2_1976__14_136585/
ID  - AM2_1976__14_136585
ER  -