[1] M. Athans: Advances and open problems on the control of large scale systems. In: Proc. of VII IFAC Congress (Helsinki 1978), Pergamon Press, Oxford 1978, 2371-2382.

[2] G. C. Goodwin: Some observations of robust estimation and control. In: Proc. of 7th IFAC/IFORS Symp. on Identification and Parameter Estimation, York 1985, Pergamon Press, Oxford 1985.

[3] P. V. Kokotovic: Control theory in the 80's: Trends in feedback design. Prepr. IX IFAC Congress, Vol. VI, Budapest 1984.

[4] S. Körner: Experience and Theory. Routledge & Kegan, London 1966.

[5] L. Ljung, T. Söderstrom: Theory and Practice of Recursive Identification. MIT Press, Massachusetts 1983. MR 0719192

[6] C. Moler, Ch. van Loan: Nineteen dubious ways to compute the exponential of a matrix. SIAM Rev. 20 (1978), 801-836. MR 0508383 | Zbl 0395.65012

[7] K. R. Popper: The Logic of Scientific Discovery. Hutchinson, London 1968. MR 0107593

[8] A. Ralston: A First Course in Numerical Analysis. McGraw-Hill, New York 1965. MR 0191070 | Zbl 0139.31603

[9] J. R. Rice: Numerical Methods, Software, and Analysis. McGraw-Hill, Tokyo 1983.

[10] J. Štěpán: Some problems of systems identification. Kybernetika 7 (1971), 2, 133-155. MR 0302241

[11] J. Štěpán: Messgenauigkeit und Regelungstheorie. Regelungstechnik und Prozess-Datenverarbeitung 20 (1972), 203 - 207.

[12] J. Štěpán: Uncertainty problem in cybernetics (in Czech). In: Repr. of the Conference on Cybernetics, Prague, November 1976.

[13] J. Štěpán: Control of regulator - configurations in large scale systems. In: Proc. of Fourth Formator Symposium (L. Bakule, J. Beneš, eds.), Academia, Prague 1983.

[14] J. Štěpán: Nonlinear approximation in control problems. Kybernetika 79(1983), 6, 491 - 504. MR 0734835

[15] J. Štěpán: Approximation versus identification. In: Proc. of 7th IFAC/IFORS Symp. on Identification and Parameter Estimation, York 1985, Pergamon Press, Oxford 1985.

[16] J. Štěpán: A new method for the nonlinear approximation of signals. Part I: The optimal damping factor. Kybernetika 22 (1986), 5, 425-438. Part II: The convergence problem. Kybernetika 22 (1986), 6, 503-513.

[17] J. Štěpán: Robust quasi-linear system identification. Kybernetika 24 (1988), 4, 259 - 277. MR 0961560

[18] V. N. Tutubalin: Theory of Probability (in Russian). Mir, Moscow 1972. MR 0353386

[19] P. Young: Recursive Estimation and Time-Series Analysis. Springer-Verlag, Berlin-Heidelberg-New York 1984. Zbl 0544.62081

[20] J. Zaborszky: Development of systems science - past, present, and future. Preprints IX. IFAC Congress, Vol. VI, Budapest 1984.