@article{01336580, title = {Piecewise Euclidean structures and Eberlein's rigidity theorem in the singular case.}, journal = {Geometry \& Topology}, volume = {3}, year = {1999}, pages = {303-330}, doi = {10.2140/gt.1999.3.303}, zbl = {0978.53083}, language = {en}, url = {http://dml.mathdoc.fr/item/01336580} }
Davis, Michael W.; Okun, Boris; Zheng, Fangyang. Piecewise Euclidean structures and Eberlein's rigidity theorem in the singular case.. Geometry & Topology, Tome 3 (1999) pp. 303-330. doi : 10.2140/gt.1999.3.303. http://gdmltest.u-ga.fr/item/01336580/