@article{CC_2003_32_3_a2,
     author = {Alt, Walter},
     title = {Approximation of optimal control problems with bound constraints by control parameterization},
     journal = {Control and Cybernetics},
     pages = {451--472},
     year = {2003},
     volume = {32},
     number = {3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CC_2003_32_3_a2/}
}