1. Górniewicz, L. (1999). Topological Fixed Point Theory of Multivalued Mappings, Kluwer Academic Publishers.
2. Bandle, C., Bensoussan, A., and Friedman, A. (2013). De Gruyter Series in Nonlinear Analysis and Applications 20, Walter de Gruyter GmbH.
3. Miller, K.S., and Bertram, R. (1993). Introduction to Fractional Calculus and Fractional Derivative Equation, A Wiley-Interscience Publication.
4. Bashir, A., Ahmed, A., Sotiris, K.N., and Jessada, T. (2017). Hadamard-Type Fractional Differential Equations, Inclusions and Inequalities, Springer.
5. Deimling, K. (1992). Multivalued Differential Equations, Walter De Gruyter.