TY - JOUR AU - Ftouhi, Ilias TI - Where to place a spherical obstacle so as to maximize the first nonzero Steklov eigenvalue JO - ESAIM: Control, Optimisation and Calculus of Variations PY - 2022 VL - 28 PB - EDP-Sciences UR - https://www.numdam.org/articles/10.1051/cocv/2021109/ DO - 10.1051/cocv/2021109 LA - en ID - COCV_2022__28_1_A6_0 ER -