El-Sayed, A., & Gamal, R. (2019). Infinite point and Riemann–Stieltjes integral conditions for an integro-differential equation. Vilnius University Press.
Čikaški stil citiranja (17. izdanje)El-Sayed, Ahmed, i Reda Gamal. Infinite Point and Riemann–Stieltjes Integral Conditions for an Integro-differential Equation. Vilnius University Press, 2019.
MLA način citiranja (9. izdanje)El-Sayed, Ahmed, i Reda Gamal. Infinite Point and Riemann–Stieltjes Integral Conditions for an Integro-differential Equation. Vilnius University Press, 2019.
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