@article{COCV_2010__16_1_194_0,
     author = {Varchon, Nicolas},
     title = {Optimal measures for the fundamental gap of {Schr\"odinger} operators},
     journal = {ESAIM: Control, Optimisation and Calculus of Variations},
     pages = {194--205},
     publisher = {EDP-Sciences},
     volume = {16},
     number = {1},
     year = {2010},
     doi = {10.1051/cocv:2008069},
     mrnumber = {2598095},
     zbl = {1183.35092},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/cocv:2008069/}
}