%0 Journal Article
%A Irena Lasiecka
%T Convergence rates for the approximations of the solutions to algebraic Riccati Equations with unbounded coefficients: case of analytic semigroups.
%J Numerische Mathematik
%D 1992
%P 357-390
%V 63
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/NUMA_1992__63_1_133686/
%F NUMA_1992__63_1_133686