The distortion of tetrads under quasimeromorphic mappings of Riemann sphere . Advances in the Theory of Nonlinear Analysis and its Application, [S. l.], v. 7, n. 1, p. 189–194, 2023. Disponível em: https://atnaea.org/index.php/journal/article/view/35.. Acesso em: 2 jun. 2026.