TY - JOUR PY - 1997 J2 - Automatica SN - 0005-1098 T2 - Automatica VL - 33 IS - 2 DO - 10.1016/S0005-1098(96)00156-2 TI - Spectral Factorizations with Unmixed Pole and Zero Sets UR - https://www.cheric.org/research/tech/periodicals/view.php?seq=25689 KW - ALGEBRAIC RICCATI EQUATION KW - GEOMETRY KW - VIEW AU - Wimmer HK SP - 235 EP - 238 LA - English ER -