1. Anderson, B.D.O., Antoulas, A.C.: Rational interpolation and state variable realizations. Linear Algebr. Appl. 137(138), 479–509 (1995)
2. Approximation of large-scale dynamical systems;AC Antoulas,2008
3. Antoulas, A.C.: On the construction of passive models from frequency response data. Automatisierungstechnik AT–56, 447–452 (2008)
4. Antoulas, A.C., Anderson, B.D.O.: On the scalar rational interpolation problem. IMA J. Math. Control. Inf. 3, 61–88 (1986)
5. Antoulas, A.C., Ionita, A.C., Lefteriu, S.: On two-variable rational interpolation. Linear Algebr. Appl. 436, 2889–2915 (2012)