%0 Journal Article
%A Federico Ardila San Francisco State University
%A San Francisco
%T Semimatroids and their Tutte polynomials
%J Revista colombiana de matematicas
%D 2007
%P 39-66
%V 41
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RCM_2007_41_1_a3/
%F RCM_2007_41_1_a3