%0 Journal Article
%A Zhou, Yishao
%T On the phase portrait of the fast filtering algorithms
%J ESAIM: Control, Optimisation and Calculus of Variations
%D 1999
%P 609-630
%V 4
%I EDP-Sciences
%U http://archive.numdam.org/item/COCV_1999__4__609_0/
%G en
%F COCV_1999__4__609_0