%0 Journal Article %A Moireau, P. %T A discrete-time optimal filtering approach for non-linear systems as a stable discretization of the Mortensen observer %J ESAIM: Control, Optimisation and Calculus of Variations %D 2018 %P 1815-1847 %V 24 %N 4 %I EDP-Sciences %U http://archive.numdam.org/articles/10.1051/cocv/2017077/ %R 10.1051/cocv/2017077 %G en %F COCV_2018__24_4_1815_0