TY - JOUR AU - Takebayashi, Tadayoshi TI - Poincaré series of the Weyl groups of the elliptic root systems $A_1^{(1,1)}$, $A_1^{(1,1)^*}$ and $A_2^{(1,1)}$. JO - Journal of Algebraic Combinatorics PY - 2003 SP - 211 EP - 223 VL - 17 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/JAC_2003__17_3_a6/ LA - en ID - JAC_2003__17_3_a6 ER -