Fennell, Robert; Waltman, Paul Boundary value problems for functional differential equations. (English) Zbl 0211.17901 Bull. Am. Math. Soc. 75, 487-489 (1969). MSC: 46E10 35B05 PDFBibTeX XMLCite \textit{R. Fennell} and \textit{P. Waltman}, Bull. Am. Math. Soc. 75, 487--489 (1969; Zbl 0211.17901) Full Text: DOI
Bailey, P. B.; Shampine, L. F.; Waltman, P. Existence and uniqueness of solutions of the second order boundary value problem. (English) Zbl 0133.34404 Bull. Am. Math. Soc. 72, 96-98 (1966). PDFBibTeX XMLCite \textit{P. B. Bailey} et al., Bull. Am. Math. Soc. 72, 96--98 (1966; Zbl 0133.34404) Full Text: DOI