%0 Journal Article
%A Brasco, Lorenzo
%T On torsional rigidity and principal frequencies: an invitation to the Kohler-Jobin rearrangement technique
%J ESAIM: Control, Optimisation and Calculus of Variations
%D 2014
%P 315-338
%V 20
%N 2
%I EDP-Sciences
%U http://www.numdam.org/articles/10.1051/cocv/2013065/
%R 10.1051/cocv/2013065
%G en
%F COCV_2014__20_2_315_0