1. Conn, A.R., Gould, N.I.M., Toint, P.: Convergence of quasi-Newton matrices generated by the symmetric rank one update. Math. Program. 48, 549–560 (1991)
2. Dennis, J.E., Schnabel, R.B.: Numerical Methods for Nonlinear Equations and Unconstrained Optimization. Prentice Hall, Englewood Cliffs (1982)
3. Dennis, J.E., Wolkowicz, H.: Sizing and least change secant methods. SIAM J. Numer. Anal. 30(5), 1291–1313 (1993)
4. Fletcher, R.: Practical Methods of Optimization. Wiley, New York (1980)
5. Gill, P.E., Murray, W., Wright, M.H.: Practical Optimization. Academic, London (1981)