@article{1183498926, author = {Levine, Jack}, title = {Groups of motions in conformally flat spaces}, journal = {Bull. Amer. Math. Soc.}, volume = {42}, number = {12}, year = {1936}, pages = { 418-422}, language = {en}, url = {http://dml.mathdoc.fr/item/1183498926} }
Levine, Jack. Groups of motions in conformally flat spaces. Bull. Amer. Math. Soc., Tome 42 (1936) no. 12, pp. 418-422. http://gdmltest.u-ga.fr/item/1183498926/