%0 Journal Article %A López, Ginés %A Montero-Sánchez, Juan-Aurelio %T Neumann boundary value problems across resonance %J ESAIM: Control, Optimisation and Calculus of Variations %D 2006 %P 398-408 %V 12 %N 3 %I EDP-Sciences %U http://www.numdam.org/articles/10.1051/cocv:2006009/ %R 10.1051/cocv:2006009 %G en %F COCV_2006__12_3_398_0