A Unique Real Root. - Graham M. L. Gladwell (SIAM Rev., 1993)

On Some Eigenvector-Eigenvalue Relations. - Sylvan Elhay; Graham M. L. Gladwell; Gene H. Golub; Yitshak M. Ram (SIAM J. Matrix Anal. Appl., 1999)

A Test Matrix for an Inverse Eigenvalue Problem. - Graham M. L. Gladwell; Trevor H. Jones; N. Brad Willms (J. Appl. Math., 2014)