Voir la notice de l'article provenant de la source The Polish Digital Mathematics Library
@article{CC_2003_32_3_a8, author = {Maurer, H. and Osmolovskii, N.P.}, title = {Second order conditions for bang-bang control problems}, journal = {Control and Cybernetics}, pages = {555--584}, publisher = {mathdoc}, volume = {32}, number = {3}, year = {2003}, zbl = {1127.49019}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CC_2003_32_3_a8/} }
Maurer, H.; Osmolovskii, N.P. Second order conditions for bang-bang control problems. Control and Cybernetics, Tome 32 (2003) no. 3, pp. 555-584. http://geodesic.mathdoc.fr/item/CC_2003_32_3_a8/