@article{BuhlerBensonShanno2024, author = {Cassidy K. Buhler and Hande Y. Benson and David F. Shanno}, title = {Regularized step directions in nonlinear conjugate gradient methods}, journal = {Mathematical Programming Computation}, volume = {16}, number = {4}, pages = {629 -- 664}, doi = {10.1007/s12532-024-00265-9}, year = {2024}, }