Claude Lemaréchal, Arnaud Renaud. A geometric study of duality gaps, with applications. Math. Program., 90(3):399-427, 2001. [doi]
@article{LemarechalR01,
title = {A geometric study of duality gaps, with applications},
author = {Claude Lemaréchal and Arnaud Renaud},
year = {2001},
doi = {10.1007/PL00011429},
url = {http://dx.doi.org/10.1007/PL00011429},
researchr = {https://researchr.org/publication/LemarechalR01},
cites = {0},
citedby = {0},
journal = {Math. Program.},
volume = {90},
number = {3},
pages = {399-427},
}