@article{05688299,
title = {On recurrences of Fahr and Ringel arising in graph theory.},
journal = {Journal of Integer Sequences [electronic only]},
volume = {12},
year = {2009},
zbl = {1196.11026},
language = {en},
url = {http://dml.mathdoc.fr/item/05688299}
}
Hirschhorn, Michael D. On recurrences of Fahr and Ringel arising in graph theory.. Journal of Integer Sequences [electronic only], Tome 12 (2009) . http://gdmltest.u-ga.fr/item/05688299/