KREUTZER , Christian; RÖSCH , Arnd. Convergence of adaptive finite elements for optimal control problems with control constraints. North-Western European Journal of Mathematics, [S. l.], n. 4, p. 155–184, 2018. Disponível em: https://nwejm.univ-lille.fr/index.php/nwejm/article/view/48.. Acesso em: 18 oct. 2024.