[1] A. Bojanczyk G. H. Golub, P. Van Dooren: The periodic Schur decomposition. Algorithms and applications. In: Proceedings SPIE Conference 1992, Vol. 1770, pp. 31-42.

[2] R. Byers, S. G. Nash: Approaches to robust pole assignment. Internat. J. Control 49 (1989), 1, 97-117. MR 0981718 | Zbl 0666.93042

[3] D. S. Evans: Finite-dimensional realizations of discrete-time weighting patterns. SIAM J. Appl. Math. 22 (1972), 45-67. MR 0378915 | Zbl 0242.93024

[4] J. J. Hench, A. J. Laub: An Extension of Floquet Theory to Discrete-time Periodic Systems. Research Report No. CCEC-92-0829, Electrical and Computer Engineering Department, University of California, Santa Barbara 1992.

[5] J. J. Hench, A. J. Laub: Numerical solution of the discrete-time periodic Riccati equation. IEEE Trans. Automat. Control 39 (1994), 6, 1197-1210. MR 1283693 | Zbl 0805.65063

[6] P. T. Kabamba: Control of łinear systems using generalized sampled-data hold functions. IEEE Trans. Automat. Control 32 (1987), 9, 772-783. MR 0902487 | Zbl 0627.93049

[7] J. Kautsky N. K. Nichols, P. Van Dooren: Robust pole assignment in linear state feedback. Internat. J. Control 41 (1985), 5, 1129-1155. MR 0792933

[8] J. Kautsky, N. K. Nichols: Robust pole assignment in systems subject to structured perturbations. Systems Control Lett. 15 (1990), 373-380. MR 1084578 | Zbl 0729.93032

[9] P. P. Khargonekar K. Poolla, A. Tannenbaum: Robust control of linear time-invariant plants using periodic compensation. IEEE Trans. Automat. Control 30 (1985), 11, 1088-1096. MR 0810310

[10] B. De Moor, P. Van Dooren: Generalizations of the singular value and QR decomposition. SIAM J. Matrix Anal. Appl. 13 (1992), 993-1014. MR 1182709

[11] G. L. Nemhauser A. H. G. Rinnooy Kan, M. J. Todd (eds.): Optimization. North Holland, pp. 53-54, Amsterdam 1989. MR 1105099

[12] J. H. Wilkinson: The Ałgebraic Eigenvalue Problem. Oxford University Press, Oxford 1965. MR 0184422 | Zbl 0258.65037

[13] J. L. Willems V. Kučera, P. Brunovsky: On the assignment of invariant factors by time-varying feedback strategies. Systems Control Lett. 5 (1984), 75-80. MR 0775612

[14] W. M. Wonham: Linear Multivariable Control: A Geometric Approach. Springer, New York 1979. MR 0569358 | Zbl 0424.93001