%0 Journal Article %A Pasquignon, Denis %T Approximation of viscosity solution by morphological filters %J ESAIM: Control, Optimisation and Calculus of Variations %D 1999 %P 335-359 %V 4 %I EDP-Sciences %U http://www.numdam.org/item/COCV_1999__4__335_0/ %G en %F COCV_1999__4__335_0