1. Anastassiou, G.A.: Ostrowski type inequalities. Proc. AMS 123, 3775–3781 (1995)
2. Anastassiou, G.A.: Quantitative Approximations. Chapmann & Hall / CRC, Boca Raton (2001)
3. Anastassiou, G.: On the left fractional local general $M$-derivative (2019). Submitted for publication
4. Anastassiou, G.: About the right fractional local general $M$-derivative. Analele Univ. Oradea, Fasc. Mate., Tom XXVII(1), 87–94 (2020)
5. Anastassiou, G.: $M$-fractional integral inequalities. J. Comput. Anal. Appl. 29(6), 1153–1158 (2021)