Local and Superlinear Convergence for Partially Known Quasi-Newton Methods. - John R. Engels; Héctor J. Martínez (SIAM J. Optim., 1991)

On Sizing and Shifting the BFGS Update within the Sized-Broyden Family of Secant Updates. - Hiroshi Yabe; Héctor J. Martínez; Richard A. Tapia (SIAM J. Optim., 2004)