@article{JLT_2012_22_4_JLT_2012_22_4_a1,
     author = {O. G. do Rocio and L. A. B. San Martin and M. A. Verdi },
     title = {Semigroup {Actions} on {Adjoint} {Orbits}},
     journal = {Journal of Lie theory},
     pages = {931--948},
     publisher = {mathdoc},
     volume = {22},
     number = {4},
     year = {2012},
     url = {http://geodesic.mathdoc.fr/item/JLT_2012_22_4_JLT_2012_22_4_a1/}
}