[1]
M. Hintermüller and W. Ring, “Numerical aspects of a level set based algorithm for state constrained optimal control problems”, Comp. Assist. Methods Eng. Sci., vol. 10, no. 2, pp. 149–161, Jan. 2023, Accessed: Jun. 30, 2025. [Online]. Available: https://cames.ippt.pan.pl/index.php/cames/article/view/1084