TY - JOUR AU - López, Ginés AU - Montero-Sánchez, Juan-Aurelio TI - Neumann boundary value problems across resonance JO - ESAIM: Control, Optimisation and Calculus of Variations PY - 2006 SP - 398 EP - 408 VL - 12 IS - 3 PB - EDP-Sciences UR - http://www.numdam.org/articles/10.1051/cocv:2006009/ DO - 10.1051/cocv:2006009 LA - en ID - COCV_2006__12_3_398_0 ER -