BiCGstab(l) and other hybrid Bi-CG methods. - Gerard L. G. Sleijpen; Henk A. van der Vorst; Diederik R. Fokkema (Numer. Algorithms, 1994)

Jacobi-Davidson Style QR and QZ Algorithms for the Reduction of Matrix Pencils. - Diederik R. Fokkema; Gerard L. G. Sleijpen; Henk A. van der Vorst (SIAM J. Sci. Comput., 1998)

Accelerated Inexact Newton Schemes for Large Systems of Nonlinear Equations. - Diederik R. Fokkema; Gerard L. G. Sleijpen; Henk A. van der Vorst (SIAM J. Sci. Comput., 1998)