TY - JOUR AU - Ghisi, Marina AU - Gobbino, Massimo AU - Rovellini, Giulio TI - Symmetry-breaking in a generalized Wirtinger inequality JO - ESAIM: Control, Optimisation and Calculus of Variations PY - 2018 SP - 1381 EP - 1394 VL - 24 IS - 4 PB - EDP-Sciences UR - http://archive.numdam.org/articles/10.1051/cocv/2017059/ DO - 10.1051/cocv/2017059 LA - en ID - COCV_2018__24_4_1381_0 ER -