@article{GDZPPN002416514,
title = {On the Lusternik-Schnirelmann Category of Lie Groups.},
journal = {Mathematische Zeitschrift},
volume = {142},
year = {1975},
pages = {111-116},
zbl = {0315.55012},
url = {http://dml.mathdoc.fr/item/GDZPPN002416514}
}
Singhof, Wilhelm. On the Lusternik-Schnirelmann Category of Lie Groups.. Mathematische Zeitschrift, Tome 142 (1975) pp. 111-116. http://gdmltest.u-ga.fr/item/GDZPPN002416514/