%0 Journal Article %A Xia Zhou %A David M. Bradley %A Tianxin Cai %T Depth reduction of a class of Witten zeta functions %J The electronic journal of combinatorics %D 2009 %V 16 %N 1 %U http://geodesic.mathdoc.fr/articles/10.37236/265/ %R 10.37236/265 %F 10_37236_265