Machado, J. A. Tenreiro Discrete-time fractional-order controllers. (English) Zbl 1111.93307 Fract. Calc. Appl. Anal. 4, No. 1, 47-66 (2001). Cited in 57 Documents MSC: 93C55 Discrete-time control/observation systems 26A33 Fractional derivatives and integrals 93C80 Frequency-response methods in control theory PDF BibTeX XML Cite \textit{J. A. T. Machado}, Fract. Calc. Appl. Anal. 4, No. 1, 47--66 (2001; Zbl 1111.93307)