Claude Lemaréchal. Note on an extension of "Davidon" methods to nondifferentiable functions. Math. Program., 7(1):384-387, 1974. [doi]
@article{Lemarechal74-0,
title = {Note on an extension of "Davidon" methods to nondifferentiable functions},
author = {Claude Lemaréchal},
year = {1974},
doi = {10.1007/BF01585534},
url = {http://dx.doi.org/10.1007/BF01585534},
researchr = {https://researchr.org/publication/Lemarechal74-0},
cites = {0},
citedby = {0},
journal = {Math. Program.},
volume = {7},
number = {1},
pages = {384-387},
}