Lepin, A. Ya. Existence of solutions of boundary value problems for a second order equation. (Russian) Zbl 0715.34041 Differ. Uravn. 26, No. 10, 1729-1737 (1990). Reviewer: J.JarnĂk MSC: 34B15 PDFBibTeX XMLCite \textit{A. Ya. Lepin}, Differ. Uravn. 26, No. 10, 1729--1737 (1990; Zbl 0715.34041)
Lepin, A. Ya.; Ponomarev, V. D. On topological imbedding of an interval into the set of solutions of an ordinary differential equation. (Russian) Zbl 0513.34015 Differ. Uravn. 18, 535-537 (1982). MSC: 34A99 34A34 57N35 PDFBibTeX XMLCite \textit{A. Ya. Lepin} and \textit{V. D. Ponomarev}, Differ. Uravn. 18, 535--537 (1982; Zbl 0513.34015)