ZAIONTS, Yu.; KORENKOV, M. E.; KHARKEVYCH, Yu. I. Nevanlinna characteristics and defective values of the Weierstrass zeta function. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 63, n. 5, p. 718–720, 2011. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/2757. Acesso em: 5 dec. 2025.