@article{JLT_1991_1_2_a7,
     author = {D. Mittenhuber},
     title = {Lie-Gruppen, {Kontrolltheorie} und das {Maximumprinzip}},
     journal = {Journal of Lie theory},
     pages = {185--192},
     publisher = {mathdoc},
     volume = {1},
     number = {2},
     year = {1991},
     url = {http://geodesic.mathdoc.fr/item/JLT_1991_1_2_a7/}
}