Inverse Problem of Variational Calculus. São Paulo Journal of Mathematical Sciences, [S. l.], v. 5, n. 2, p. 233–248, 2011. DOI: 10.11606/issn.2316-9028.v5i2p233-248. Disponível em: https://revistas.usp.br/spjournal/article/view/39425.. Acesso em: 2 jun. 2024.