%0 Journal Article %A Tall, Issa A. %A Balde, Moussa %T Normal forms for nonlinear control systems with scalar output %J Comptes Rendus. Mathématique %D 2005 %P 573-578 %V 341 %N 9 %I Elsevier %U http://www.numdam.org/articles/10.1016/j.crma.2005.09.023/ %R 10.1016/j.crma.2005.09.023 %G en %F CRMATH_2005__341_9_573_0