1. W. Arveson, “Interpolation problems in nest algebras,” J. Functional Analysis, vol. 20, pp. 208–233, 1975.
2. J.A. Ball, “Nevanlinna-Pick interpolation: generalizations and applications,” in Recent Results in Operator Theory, Vol. I, (Ed. J.B. Conway and B.B. Morrel), Longman Scientific & Technical, Essex, pp. 51–94, 1988.
3. J.A. Ball and I. Gohberg, “A commutant lifting theory for triangular matrices with diverse applications,” Integral Equations and Operator Theory, vol. 8, pp. 205–267, 1985.
4. J.A. Ball and I. Gohberg, “Shift invariant subspaces, factorization, and interpolation for matrices I: The canonical case,” Linear Algebra and Its Applications, vol. 74, pp. 87–150, 1986.
5. T. Chen and L. Qiu, “ℋ
∞ design of general multirate sampled-data control systems,” Automatica, vol. 30, pp. 1139–1152, 1994.