TY  - JOUR
AU  - Tom Leinster
TI  - The Euler characteristic of a category
JO  - Documenta mathematica
PY  - 2008
SP  - 21
EP  - 49
VL  - 13
UR  - http://geodesic.mathdoc.fr/articles/10.4171/dm/240/
DO  - 10.4171/dm/240
ID  - 10_4171_dm_240
ER  -