@article{RSM_2005__63_4_128192,
     author = {Giamb\`o, R.},
     title = {An analytical theory for optimal controls on {Riemannian} manifolds.},
     journal = {Rendiconti del seminario matematico},
     pages = {349--356},
     publisher = {mathdoc},
     volume = {63},
     number = {4},
     year = {2005},
     zbl = {1127.58012},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RSM_2005__63_4_128192/}
}