TY  - JOUR
AU  - Hirschhorn, Michael D.
TI  - On recurrences of Fahr and Ringel arising in graph theory
JO  - Journal of integer sequences
PY  - 2009
VL  - 12
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/JIS_2009__12_6_a3/
LA  - en
ID  - JIS_2009__12_6_a3
ER  -