@article{02124071,
title = {Poset game periodicity.},
journal = {Integers},
volume = {3},
year = {2003},
zbl = {1128.91310},
language = {en},
url = {http://dml.mathdoc.fr/item/02124071}
}
Byrnes, Steven. Poset game periodicity.. Integers, Tome 3 (2003) . http://gdmltest.u-ga.fr/item/02124071/