%0 Journal Article %A Xu, Cheng-Zhong %A Sallet, Gauthier %T Exponential stability and transfer functions of processes governed by symmetric hyperbolic systems %J ESAIM: Control, Optimisation and Calculus of Variations %D 2002 %P 421-442 %V 7 %I EDP-Sciences %U http://www.numdam.org/articles/10.1051/cocv:2002062/ %R 10.1051/cocv:2002062 %G en %F COCV_2002__7__421_0