%0 Journal Article %A Patrizi, Stefania %T The principal eigenvalue of the $\infty $-laplacian with the Neumann boundary condition %J ESAIM: Control, Optimisation and Calculus of Variations %D 2011 %P 575-601 %V 17 %N 2 %I EDP-Sciences %U http://archive.numdam.org/articles/10.1051/cocv/2010019/ %R 10.1051/cocv/2010019 %G en %F COCV_2011__17_2_575_0