J. T. Betts. Algorithm 559: The Stationary Point of a Quadratic Function Subject to Linear Constraints [E4]. ACM Transactions on Mathematical Software, 6(3):432-436, 1980. [doi]
@article{Betts80a,
title = {Algorithm 559: The Stationary Point of a Quadratic Function Subject to Linear Constraints [E4]},
author = {J. T. Betts},
year = {1980},
doi = {10.1145/355900.355916},
url = {http://doi.acm.org/10.1145/355900.355916},
tags = {constraints},
researchr = {https://researchr.org/publication/Betts80a},
cites = {0},
citedby = {0},
journal = {ACM Transactions on Mathematical Software},
volume = {6},
number = {3},
pages = {432-436},
}