@article{JRAM_1987__377_152925,
     author = {A. Pianzola},
     title = {On the regularity and rationality of certain elements of finite order in {Lie} groups.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {40--48},
     publisher = {mathdoc},
     volume = {377},
     year = {1987},
     zbl = {0604.22011},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1987__377_152925/}
}