@article{01925174,
title = {Gauge symmetries and Noether currents in optimal control.},
journal = {Applied Mathematics E-Notes [electronic only]},
volume = {3},
year = {2003},
pages = {49-57},
zbl = {1066.49014},
language = {en},
url = {http://dml.mathdoc.fr/item/01925174}
}
Torres, Delfim F. M. Gauge symmetries and Noether currents in optimal control.. Applied Mathematics E-Notes [electronic only], Tome 3 (2003) pp. 49-57. http://gdmltest.u-ga.fr/item/01925174/