@article{1183502143, author = {Levine, Jack}, title = {Groups of motions in conformally flat spaces. II}, journal = {Bull. Amer. Math. Soc.}, volume = {45}, number = {11}, year = {1939}, pages = { 766-773}, language = {en}, url = {http://dml.mathdoc.fr/item/1183502143} }
Levine, Jack. Groups of motions in conformally flat spaces. II. Bull. Amer. Math. Soc., Tome 45 (1939) no. 11, pp. 766-773. http://gdmltest.u-ga.fr/item/1183502143/