Todd, John On smallest isolated Gerschgorin disks for eigenvalues. (English) Zbl 0148.01703 Numer. Math. 7, 171-175 (1965). PDFBibTeX XMLCite \textit{J. Todd}, Numer. Math. 7, 171--175 (1965; Zbl 0148.01703) Full Text: DOI EuDML
Todd, John Motivation for working in numerical analysis. (English) Zbl 0064.37402 Commun. Pure Appl. Math. 8, 97-116 (1955). PDFBibTeX XMLCite \textit{J. Todd}, Commun. Pure Appl. Math. 8, 97--116 (1955; Zbl 0064.37402) Full Text: DOI