TY - JOUR AU - M. M. Konstantinov AU - P. Hr. Petkov TI - Condition an Error Estimates in the Solution of Lyapunov and Riccati Equations JO - Mathematica balkanica PY - 2001 SP - 139 VL - 15 IS - 1-2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MABA_2001_15_1-2_a12/ ID - MABA_2001_15_1-2_a12 ER -