Kiguradze, Ivan Solvability conditions of nonlocal problems for singular in phase variables higher order differential equations. (English) Zbl 1334.34050 Bull. Georgian Natl. Acad. Sci. (N.S.) 9, No. 2, 7-12 (2015). MSC: 34B10 34B16 PDFBibTeX XMLCite \textit{I. Kiguradze}, Bull. Georgian Natl. Acad. Sci. (N.S.) 9, No. 2, 7--12 (2015; Zbl 1334.34050) Full Text: Link
Kiguradze, Ivan Positive solutions of two-point boundary value problems for higher order nonlinear singular differential equations. (English) Zbl 1254.34038 Bull. Georgian Natl. Acad. Sci. (N.S.) 5, No. 3, 5-10 (2011). MSC: 34B18 34B16 PDFBibTeX XMLCite \textit{I. Kiguradze}, Bull. Georgian Natl. Acad. Sci. (N.S.) 5, No. 3, 5--10 (2011; Zbl 1254.34038)