@article{article46c8c662,
title   = {The boundedness of penalty parameters in an augmented Lagrangian method with constrained subproblems},
author = {Birgin, Ernesto Julian Goldberg and Fernandez, Damian and Martinez, J. M},
year = {2012},
doi = {10.1080/10556788.2011.556634},
journal   = {Optimization Methods & Software}
}