Srivastava, H. M.; El-Sayed, A. M. A.; Hashem, H. H. G.; Al-Issa, Sh. M. Analytical investigation of nonlinear hybrid implicit functional differential inclusions of arbitrary fractional orders. (English) Zbl 1487.34041 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 116, No. 1, Paper No. 26, 19 p. (2022). MSC: 34A08 26A33 34A60 34A09 34A38 47N20 34A12 PDFBibTeX XMLCite \textit{H. M. Srivastava} et al., Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 116, No. 1, Paper No. 26, 19 p. (2022; Zbl 1487.34041) Full Text: DOI
El-Sayed, Ahmed; Hashem, Hind; Al-Issa, Shorouk Characteristics of solutions of fractional hybrid integro-differential equations in Banach algebra. (English) Zbl 1513.34303 Sahand Commun. Math. Anal. 18, No. 3, 109-131 (2021). MSC: 34K37 34K30 47N20 PDFBibTeX XMLCite \textit{A. El-Sayed} et al., Sahand Commun. Math. Anal. 18, No. 3, 109--131 (2021; Zbl 1513.34303) Full Text: DOI
El-Sayed, Ahmed; Hashem, Hind; Al-Issa, Shorouk Existence of solutions for an ordinary second-order hybrid functional differential equation. (English) Zbl 1485.34079 Adv. Difference Equ. 2020, Paper No. 296, 10 p. (2020). MSC: 34A38 PDFBibTeX XMLCite \textit{A. El-Sayed} et al., Adv. Difference Equ. 2020, Paper No. 296, 10 p. (2020; Zbl 1485.34079) Full Text: DOI
El-Sayed, A. M. A.; El-Haddad, Nesreen F. M. Existence of integrable solutions for a functional integral inclusion. (English) Zbl 1393.45010 Differ. Uravn. Protsessy Upr. 2017, No. 3, 119-132 (2017). MSC: 45N99 PDFBibTeX XMLCite \textit{A. M. A. El-Sayed} and \textit{N. F. M. El-Haddad}, Differ. Uravn. Protsessy Upr. 2017, No. 3, 119--132 (2017; Zbl 1393.45010) Full Text: Link
El-Sayed, Ahmed; Hashem, Hind Existence results for nonlinear quadratic integral equations of fractional order in Banach algebra. (English) Zbl 1312.45004 Fract. Calc. Appl. Anal. 16, No. 4, 816-826 (2013). MSC: 45D05 26A33 33E30 34A08 PDFBibTeX XMLCite \textit{A. El-Sayed} and \textit{H. Hashem}, Fract. Calc. Appl. Anal. 16, No. 4, 816--826 (2013; Zbl 1312.45004) Full Text: DOI