M. Boschková: Self-tuning control of stochastic linear systems in presence of drift
. Kybernetika 24 (1988), 5, 347-362. MR 0970212
 T. E. Duncan, B. Pasik-Duncan: Adaptive control of continuous time linear systems. Preprint. University of Kansas 1986.
 P. R. Kumar, P. Varaiya: Stochastic Systems: Estimation, Identification, and Adaptive Control
. Prentice Hall, Engelwood Cliffs 1986. Zbl 0706.93057
 P. Mandl: On evaluating the performance of self-tuning regulators
. In: Proc. of 2nd Intemat. Symp. on Numerical Analysis, Prague 1987. B. E. Teubner, Leipzig. To appear. MR 1171711
 B. Pasik-Duncan: On Adaptive Control. Central School of Planning and Statistics Publishers, Warsaw 1986. In Polish.