@article{GDZPPN001186280,
title = {Convergence rates for the approximations of the solutions to algebraic Riccati Equations with unbounded coefficients: case of analytic semigroups.},
journal = {Numerische Mathematik},
volume = {63},
year = {1992},
pages = {357-390},
zbl = {0766.65055},
url = {http://dml.mathdoc.fr/item/GDZPPN001186280}
}
Lasiecka, Irena. Convergence rates for the approximations of the solutions to algebraic Riccati Equations with unbounded coefficients: case of analytic semigroups.. Numerische Mathematik, Tome 63 (1992) pp. 357-390. http://gdmltest.u-ga.fr/item/GDZPPN001186280/