Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{KYB_1975__11_2_a4, author = {Vostr\'y, Zden\v{e}k}, title = {Discrete twice optimal control systems}, journal = {Kybernetika}, pages = {--163}, publisher = {mathdoc}, volume = {11}, number = {2}, year = {1975}, mrnumber = {0408918}, zbl = {0337.49004}, language = {en}, url = {http://geodesic.mathdoc.fr/item/KYB_1975__11_2_a4/} }
Vostrý, Zdeněk. Discrete twice optimal control systems. Kybernetika, Tome 11 (1975) no. 2, p. 163. http://geodesic.mathdoc.fr/item/KYB_1975__11_2_a4/