Srivastava, H. M.; Shehata, A.; Moustafa, S. I. Some fixed point theorems for \(F(\psi,\varphi)\)-contractions and their application to fractional differential equations. (English) Zbl 1447.54039 Russ. J. Math. Phys. 27, No. 3, 385-398 (2020). MSC: 54H25 47H10 47H09 PDF BibTeX XML Cite \textit{H. M. Srivastava} et al., Russ. J. Math. Phys. 27, No. 3, 385--398 (2020; Zbl 1447.54039) Full Text: DOI OpenURL
Asaduzzaman, Md.; Ali, Md. Zulfikar Existence of positive solution to the boundary value problems for coupled system of nonlinear fractional differential equations. (English) Zbl 1484.47100 AIMS Math. 4, No. 3, 880-895 (2019). MSC: 47H10 34A08 34B18 PDF BibTeX XML Cite \textit{Md. Asaduzzaman} and \textit{Md. Z. Ali}, AIMS Math. 4, No. 3, 880--895 (2019; Zbl 1484.47100) Full Text: DOI OpenURL
Zhai, Chengbo; Jiang, Ruiting Unique solutions for a new coupled system of fractional differential equations. (English) Zbl 1445.34030 Adv. Difference Equ. 2018, Paper No. 1, 12 p. (2018). MSC: 34A08 26A33 34B18 34B27 PDF BibTeX XML Cite \textit{C. Zhai} and \textit{R. Jiang}, Adv. Difference Equ. 2018, Paper No. 1, 12 p. (2018; Zbl 1445.34030) Full Text: DOI OpenURL
Yang, Chen; Zhai, Chengbo; Zhang, Lingling Local uniqueness of positive solutions for a coupled system of fractional differential equations with integral boundary conditions. (English) Zbl 1422.34072 Adv. Difference Equ. 2017, Paper No. 282, 12 p. (2017). MSC: 34A08 34B10 34B18 26A33 34B15 PDF BibTeX XML Cite \textit{C. Yang} et al., Adv. Difference Equ. 2017, Paper No. 282, 12 p. (2017; Zbl 1422.34072) Full Text: DOI OpenURL