@article{JLT_1998_8_2_a12,
     author = {C. Barros},
     title = {On the {Number} of {Control} {Sets} on {Flag} {Manifolds} of {Real} {Simple} {Lie} {Groups}},
     journal = {Journal of Lie theory},
     pages = {393--398},
     publisher = {mathdoc},
     volume = {8},
     number = {2},
     year = {1998},
     url = {http://geodesic.mathdoc.fr/item/JLT_1998_8_2_a12/}
}