SANTOS, R. D. C. dos; SALES, J. H. de O. An essay on the foundations of variational methods: Exploring Sobolev Spaces for boundary integral equations. The Journal of Engineering and Exact Sciences, Viçosa/MG, BR, v. 10, n. 7, p. 18895, 2024. DOI: 10.18540/jcecvl10iss7pp18895. Disponível em: https://periodicos.ufv.br/jcec/article/view/18895. Acesso em: 22 jul. 2024.