Generation of classes of symmetric rank-2 secant updates and the maximality of the Davidon class. - Joanna M. Papakonstantinou; Richard A. Tapia (Optim. Methods Softw., 2012)

Origin and Evolution of the Secant Method in One Dimension. - Joanna M. Papakonstantinou; Richard A. Tapia (Am. Math. Mon., 2013)