1. Jackson, F.H.: q-Difference equations. Am. J. Math. 32, 305–314 (1910). https://doi.org/10.2307/2370183
2. Adams, C.R.: The general theory of a class of linear partial q-difference equations. Trans. Am. Math. Soc. 26, 283–312 (1924)
3. Adams, C.R.: Note on the integro-q-difference equations. Trans. Am. Math. Soc. 31(4), 861–867 (1929)
4. Ahmad, B., Etemad, S., Ettefagh, M., Rezapour, S.: On the existence of solutions for fractional q-difference inclusions with q-antiperiodic boundary conditions. Bull. Math. Soc. Sci. Math. Roum. 59(107)(2), 119–134 (2016). https://www.jstor.org/stable/26407454
5. Ahmad, B., Nieto, J.J., Alsaedi, A., Al-Hutami, H.: Existence of solutions for nonlinear fractional q-difference integral equations with two fractional orders and nonlocal four-point boundary conditions. J. Franklin Inst. 351, 2890–2909 (2014)