%0 Journal Article %A Vázquez, Juan Luis %T The nonlinearly damped oscillator %J ESAIM: Control, Optimisation and Calculus of Variations %D 2003 %P 231-246 %V 9 %I EDP-Sciences %U http://archive.numdam.org/articles/10.1051/cocv:2003006/ %R 10.1051/cocv:2003006 %G en %F COCV_2003__9__231_0