TY - JOUR AU - Christov, Nicolai D. AU - Konstantinov, Mihail M. AU - Petkov, Petko Hr. TI - Improved perturbation bounds for the continuous-time $H_{\infty}$-control problem JO - Electronic transactions on numerical analysis PY - 2015 VL - 43 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ETNA_2015__43__a6/ LA - en ID - ETNA_2015__43__a6 ER -