Partsvania, Nino Boundary value problems on an infinite interval for singular in phase variables two-dimensional differential systems. (English) Zbl 1334.34063 Bull. Georgian Natl. Acad. Sci. (N.S.) 9, No. 2, 13-18 (2015). MSC: 34B40 34B18 34B16 PDFBibTeX XMLCite \textit{N. Partsvania}, Bull. Georgian Natl. Acad. Sci. (N.S.) 9, No. 2, 13--18 (2015; Zbl 1334.34063) Full Text: Link
Partsvania, Nino On extremal solutions of two-point boundary value problems for second order nonlinear singular differential equations. (English) Zbl 1235.34072 Bull. Georgian Natl. Acad. Sci. (N.S.) 5, No. 2, 31-36 (2011). MSC: 34B16 34B15 PDFBibTeX XMLCite \textit{N. Partsvania}, Bull. Georgian Natl. Acad. Sci. (N.S.) 5, No. 2, 31--36 (2011; Zbl 1235.34072)