@article{paperid:1029843, author = {Saman Babaie-Kafaki and Ghanbari, Reza}, title = {Two hybrid nonlinear conjugate gradient methods based on a modified secant equation}, journal = {Optimization}, year = {2014}, volume = {63}, number = {7}, month = {July}, issn = {0233-1934}, pages = {1027--1042}, numpages = {15}, keywords = {unconstrained optimization; large-scale optimization; secant equation; conjugate gradient algorithm; global convergence}, }