TY  - JOUR
AU  - Callan, David
TI  - A combinatorial derivation of the number of labeled forests
JO  - Journal of integer sequences
PY  - 2003
VL  - 6
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/JIS_2003__6_4_a7/
LA  - en
ID  - JIS_2003__6_4_a7
ER  -