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3. V. V. Uchaikin, Method of Fractional Derivatives [in Russian], “Artishok,” Ul’yanovsk (2008).
4. Yu. I. Babenko, Method of Fractional Differentiation in Applied Problems of the Theory of Heat and Mass Transfer [in Russian], NPO “Professional,” St. Petersburg (2009).
5. K. B. Oldham and J. Spanier, The Fractional Calculus, New York (1974).