TY - JOUR AU - D. V. Balandin AU - M. M. Kogan TI - Necessary Solvability Conditions for Multiparameter Riccati Equations in the Robust Output Feedback $H^\infty$-Control Problem JO - Differencialʹnye uravneniâ PY - 2003 SP - 1452 EP - 1456 VL - 39 IS - 11 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_2003_39_11_a1/ LA - ru ID - DE_2003_39_11_a1 ER -