Bluestein's FFT for arbitrary N on the hypercube. - Paul N. Swarztrauber; Roland A. Sweet; William L. Briggs; Van Emden Henson; James S. Otto (Parallel Comput., 1991)

A Comparison of Adaptive Chebyshev and Least Squares Polynomial Preconditioning for Hermitian Positive Definite Linear Systems. - Steven F. Ashby; Thomas A. Manteuffel; James S. Otto (SIAM J. Sci. Comput., 1992)

On the roots of the orthogonal polynomials and residual polynomials associated with a conjugate gradient method. - Thomas A. Manteuffel; James S. Otto (Numer. Linear Algebra Appl., 1994)