%0 Journal Article %A Lorent, Andrew %T A two well Liouville theorem %J ESAIM: Control, Optimisation and Calculus of Variations %D 2005 %P 310-356 %V 11 %N 3 %I EDP-Sciences %U http://www.numdam.org/articles/10.1051/cocv:2005009/ %R 10.1051/cocv:2005009 %G en %F COCV_2005__11_3_310_0