BONDAR, A. V.; LUKYANOVA, E. A. Pseudoanalyticity of continuous functions with the ?-preservation of angles. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 45, n. 8, p. 1051–1057, 1993. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/5899. Acesso em: 11 apr. 2025.