Thomas F. Coleman, Andrew R. Conn. Second-order conditions for an exact penalty function. Math. Program., 19(1):178-185, 1980. [doi]
@article{ColemanC80,
title = {Second-order conditions for an exact penalty function},
author = {Thomas F. Coleman and Andrew R. Conn},
year = {1980},
doi = {10.1007/BF01581639},
url = {http://dx.doi.org/10.1007/BF01581639},
researchr = {https://researchr.org/publication/ColemanC80},
cites = {0},
citedby = {0},
journal = {Math. Program.},
volume = {19},
number = {1},
pages = {178-185},
}