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3. Gutman, S., andLeitmann, G.,Stabilizing Feedback Control for Dynamical Systems with Bounded Uncertainty, Proceedings of the IEEE Conference on Decision and Control, Clearwater Beach, Florida, 1976.
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5. Leitmann, G.,On the Efficacy of Nonlinear Control in Uncertain Linear Systems, Proceedings of the 1980 Winter Meeting of ASME, Chicago, Illinois (to appear).