TY  - JOUR
AU  - Federico Ardila San Francisco State University
AU  - San Francisco
TI  - Semimatroids and their Tutte polynomials
JO  - Revista colombiana de matematicas
PY  - 2007
SP  - 39
EP  - 66
VL  - 41
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/RCM_2007_41_1_a3/
ID  - RCM_2007_41_1_a3
ER  -