@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/