Roger Fletcher, Sven Leyffer. Nonlinear programming without a penalty function. Math. Program., 91(2):239-269, 2002. [doi]
@article{FletcherL02-0,
title = {Nonlinear programming without a penalty function},
author = {Roger Fletcher and Sven Leyffer},
year = {2002},
doi = {10.1007/s101070100244},
url = {http://dx.doi.org/10.1007/s101070100244},
researchr = {https://researchr.org/publication/FletcherL02-0},
cites = {0},
citedby = {0},
journal = {Math. Program.},
volume = {91},
number = {2},
pages = {239-269},
}