@article{GDZPPN002029588, title = {A combinatorial ranking problem.}, journal = {Aequationes mathematicae}, volume = {14}, year = {1976}, pages = {351-356}, zbl = {0327.05122}, url = {http://dml.mathdoc.fr/item/GDZPPN002029588} }
Burns, R.N., Haff, C.E. A combinatorial ranking problem.. Aequationes mathematicae, Tome 14 (1976) pp. 351-356. http://gdmltest.u-ga.fr/item/GDZPPN002029588/