@article{00807685,
title = {Tournaments as feedback arc sets.},
journal = {The Electronic Journal of Combinatorics [electronic only]},
volume = {2},
year = {1995},
zbl = {0829.68100},
language = {en},
url = {http://dml.mathdoc.fr/item/00807685}
}
Isaak, Garth. Tournaments as feedback arc sets.. The Electronic Journal of Combinatorics [electronic only], Tome 2 (1995) . http://gdmltest.u-ga.fr/item/00807685/