@article{00806485, title = {Proper actions and a compactness condition.}, journal = {Journal of Lie Theory}, volume = {5}, year = {1995}, pages = {25-39}, zbl = {0856.57034}, language = {en}, url = {http://dml.mathdoc.fr/item/00806485} }
Lipsman, Ronald L. Proper actions and a compactness condition.. Journal of Lie Theory, Tome 5 (1995) pp. 25-39. http://gdmltest.u-ga.fr/item/00806485/