Walter Alt, Kazimierz Malanowski. The Lagrange-Newton method for state constrained optimal control problems. Comp. Opt. and Appl., 4(3):217-239, 1995. [doi]
@article{AltM95-0,
title = {The Lagrange-Newton method for state constrained optimal control problems},
author = {Walter Alt and Kazimierz Malanowski},
year = {1995},
doi = {10.1007/BF01300872},
url = {http://dx.doi.org/10.1007/BF01300872},
researchr = {https://researchr.org/publication/AltM95-0},
cites = {0},
citedby = {0},
journal = {Comp. Opt. and Appl.},
volume = {4},
number = {3},
pages = {217-239},
}