@article{01076120, title = {On closed abelian subgroups of real Lie groups.}, journal = {Journal of Lie Theory}, volume = {7}, year = {1997}, pages = {279-285}, zbl = {0879.22003}, language = {en}, url = {http://dml.mathdoc.fr/item/01076120} }
Wüstner, Michael. On closed abelian subgroups of real Lie groups.. Journal of Lie Theory, Tome 7 (1997) pp. 279-285. http://gdmltest.u-ga.fr/item/01076120/