%0 Journal Article %A Cornilleau, Pierre %A Guerrero, Sergio %T On the cost of null-control of an artificial advection-diffusion problem %J ESAIM: Control, Optimisation and Calculus of Variations %D 2013 %P 1209-1224 %V 19 %N 4 %I EDP-Sciences %U http://www.numdam.org/articles/10.1051/cocv/2013048/ %R 10.1051/cocv/2013048 %G en %F COCV_2013__19_4_1209_0