@article{GDZPPN002330059, title = {The Characteristic Toric Splitting of Irreducible Compact 3-Orbifolds.}, journal = {Mathematische Annalen}, volume = {277}, year = {1987}, pages = {441-480}, zbl = {0629.57007}, url = {http://dml.mathdoc.fr/item/GDZPPN002330059} }
Bonahon, F.; Siebenmann, L.C. The Characteristic Toric Splitting of Irreducible Compact 3-Orbifolds.. Mathematische Annalen, Tome 277 (1987) pp. 441-480. http://gdmltest.u-ga.fr/item/GDZPPN002330059/