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Multi-step nonlinear conugate gradient methods for unconstrained minimization
Ford, John A., (2008)
A family of three-term conjugate gradient methods with sufficient descent property for unconstrained optimization
Al-Baali, Mehiddin, (2015)
Superlinear Convergence of the Sheng-Zou-Broyden Method for Nonlinear Least Squares Problems
Ogasawara, Hideho, (2003)