Shabibi, Mehdi; Postolache, Mihai; Rezapour, Shahram Positive solutions for a singular sum fractional differential system. (English) Zbl 1381.34022 Int. J. Anal. Appl. 13, No. 1, 108-118 (2017). MSC: 34A08 34B16 34B18 47N20 PDFBibTeX XMLCite \textit{M. Shabibi} et al., Int. J. Anal. Appl. 13, No. 1, 108--118 (2017; Zbl 1381.34022) Full Text: Link
Shabibi, Mehdi; Postolache, Mihai; Rezapour, Shahram; Vaezpour, S. M. Investigation of a multi-singular pointwise defined fractional integro-differential equation. (English) Zbl 1362.34018 J. Math. Anal. 7, No. 5, 61-77 (2016). MSC: 34A08 34B16 45J05 PDFBibTeX XMLCite \textit{M. Shabibi} et al., J. Math. Anal. 7, No. 5, 61--77 (2016; Zbl 1362.34018)