%0 Journal Article %A d’Andréa-Novel, Brigitte %A Thorel, Sylvain %T Control of non holonomic or under-actuated mechanical systems: The examples of the unicycle robot and the slider %J ESAIM: Control, Optimisation and Calculus of Variations %D 2016 %P 983-1016 %V 22 %N 4 %I EDP-Sciences %U http://archive.numdam.org/articles/10.1051/cocv/2016047/ %R 10.1051/cocv/2016047 %G en %F COCV_2016__22_4_983_0