@article{JLT_1991_1_2_a6,
     author = {N. Doerr},
     title = {Cartan {Algebras} in {Symmetric} {Lie} {Algebras}},
     journal = {Journal of Lie theory},
     pages = {175--184},
     publisher = {mathdoc},
     volume = {1},
     number = {2},
     year = {1991},
     url = {http://geodesic.mathdoc.fr/item/JLT_1991_1_2_a6/}
}