GEVIRTZ, J. Hencky-Prandtl nets and constant principal strain mappings with isolated singularities. Annales Fennici Mathematici, [S. l.], v. 25, n. 1, p. 187–238, 2000. Disponível em: https://afm.journal.fi/article/view/134976. Acesso em: 25 nov. 2024.