EFTEKHARINASAB, K.; LASTIVKA, I. A Lusternik-Schnirelmann Type Theorem for C¹-Frechet Manifolds. The Journal of the Indian Mathematical Society, [S. l.], v. 88, n. 3-4, p. 309–322, 2021. DOI: 10.18311/jims/2021/27836. Disponível em: https://www.informaticsjournals.com/index.php/jims/article/view/27836. Acesso em: 30 apr. 2024.