Voir la notice de l'article provenant de la source The Polish Digital Mathematics Library
@article{CC_2005_34_3_a0, author = {Allwright, John and Vinter, Richard}, title = {Second order conditions for periodic optimal control problems}, journal = {Control and Cybernetics}, pages = {617--643}, publisher = {mathdoc}, volume = {34}, number = {3}, year = {2005}, zbl = {1167.49310}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CC_2005_34_3_a0/} }
Allwright, John; Vinter, Richard. Second order conditions for periodic optimal control problems. Control and Cybernetics, Tome 34 (2005) no. 3, pp. 617-643. http://geodesic.mathdoc.fr/item/CC_2005_34_3_a0/