@article{GDZPPN002333562, title = {On the Euler number of an orbifold.}, journal = {Mathematische Annalen}, volume = {287}, year = {1990}, pages = {255-260}, zbl = {0679.14006}, url = {http://dml.mathdoc.fr/item/GDZPPN002333562} }
Hirzebruch, Friedrich; Höfer, Thomas. On the Euler number of an orbifold.. Mathematische Annalen, Tome 287 (1990) pp. 255-260. http://gdmltest.u-ga.fr/item/GDZPPN002333562/