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2. Lp(p ⩾ 1) and Orlicz Stability of a Large Class of Nonlinear Feedback Systems;Ahmed,1969
3. Principles and Application of Random Noise Theory;Bendat,1958
4. Lp stability of linear time varying feedback systems;Chen;SIAM J. Control,1968
5. A general formulation of the Nyquist criterion;Desoer;I.E.E.E. Trans. Circuit Theory,1965