TY - JOUR AU - Tamanoi, Hirotaka TI - Generalized orbifold Euler characteristics of symmetric orbifolds and covering spaces JO - Algebraic and Geometric Topology PY - 2003 SP - 791 EP - 856 VL - 3 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.2140/agt.2003.3.791/ DO - 10.2140/agt.2003.3.791 ID - 10_2140_agt_2003_3_791 ER -