SINGH, A. P.; TOMAR, G. On Levels of fast escaping sets and Spider’s Web of transcendental entire functions. New Zealand Journal of Mathematics, [S. l.], v. 49, p. 1–9, 2019. DOI: 10.53733/25. Disponível em: https://www.nzjmath.org/index.php/NZJMATH/article/view/25. Acesso em: 4 may. 2024.