TY - JOUR AU - Kane, Richard TI - Poincare Duality and the Ring of Coinvariants JO - Canadian mathematical bulletin PY - 1994 SP - 82 EP - 88 VL - 37 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1994-012-3/ DO - 10.4153/CMB-1994-012-3 ID - 10_4153_CMB_1994_012_3 ER -