TY - JOUR AU - H. Müller AU - B. Eckman TI - Plane Motion Groups and Virtual Poincaré Duality of Dimension Two. JO - Inventiones mathematicae PY - 1982 SP - 293 EP - 310 VL - 69 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IM_1982__69_142955/ LA - en ID - IM_1982__69_142955 ER -