@article{CRMATH_2004__339_6_405_0,
     author = {Nakoulima, Ousseynou},
     title = {Contr\^olabilit\'e \`a z\'ero avec contraintes sur le contr\^ole},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {405--410},
     publisher = {Elsevier},
     volume = {339},
     number = {6},
     year = {2004},
     doi = {10.1016/j.crma.2004.07.005},
     language = {fr},
     url = {http://www.numdam.org/articles/10.1016/j.crma.2004.07.005/}
}