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2. Fractional Integrals and Derivatives: Theory and Applications, Nauka i Tekhnika, Minsk, 1987 (Russian version);Samko,1993
3. An Introduction to the Fractional Calculus and Fractional Differential Equations;Miller,1993
4. Fractional Differential Equations;Podlubny,1999
5. An Introduction to Fractional Calculus;Butzer,2000