A Nonlinear Conjugate Gradient Algorithm with an Optimal Property and an Improved Wolfe Line Search. - Yu-Hong Dai; Cai-Xia Kou (SIAM J. Optim., 2013)

A Modified Self-Scaling Memoryless Broyden-Fletcher-Goldfarb-Shanno Method for Unconstrained Optimization. - Cai-Xia Kou; Yu-Hong Dai (J. Optim. Theory Appl., 2015)