%0 Journal Article
%A Qiu, Yue
%A van Gijzen, Martin B.
%A van Wingerden, Jan-Willem
%A Verhaegen, Michel
%A Vuik, Cornelis
%T Efficient preconditioners for PDE-constrained optimization problem with a multilevel sequentially semiseparable matrix structure
%J Electronic transactions on numerical analysis
%D 2015
%P 367-400
%V 44
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ETNA_2015__44__a11/
%G en
%F ETNA_2015__44__a11