DENKOWSKI, Z. Existence and relaxation problems in optimal shape design. Topological Methods in Nonlinear Analysis, [S. l.], v. 16, n. 1, p. 161–180, 2000. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2000.036. Acesso em: 22 jul. 2024.