Voir la notice de l'article provenant de la source The Polish Digital Mathematics Library
@article{CC_2005_34_3_a4, author = {Clarke, Francis}, title = {The maximum principle in optimal control, then and now}, journal = {Control and Cybernetics}, pages = {709--722}, publisher = {mathdoc}, volume = {34}, number = {3}, year = {2005}, zbl = {1167.49311}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CC_2005_34_3_a4/} }
Clarke, Francis. The maximum principle in optimal control, then and now. Control and Cybernetics, Tome 34 (2005) no. 3, pp. 709-722. http://geodesic.mathdoc.fr/item/CC_2005_34_3_a4/