%0 Journal Article %A Derksen, Harm %T Symmetric and quasi-symmetric functions associated to polymatroids %J Journal of Algebraic Combinatorics %D 2009 %P 43-86 %V 30 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/JAC_2009__30_1_a3/ %G en %F JAC_2009__30_1_a3