@article{COCV_2018__24_4_1381_0,
     author = {Ghisi, Marina and Gobbino, Massimo and Rovellini, Giulio},
     title = {Symmetry-breaking in a generalized {Wirtinger} inequality},
     journal = {ESAIM: Control, Optimisation and Calculus of Variations},
     pages = {1381--1394},
     publisher = {EDP-Sciences},
     volume = {24},
     number = {4},
     year = {2018},
     doi = {10.1051/cocv/2017059},
     zbl = {1416.26033},
     mrnumber = {3922449},
     language = {en},
     url = {http://archive.numdam.org/articles/10.1051/cocv/2017059/}
}