KARAKUS, S. O.; YAYLI, Y. Bicomplex number and tensor product surfaces in $\mathbb{R}^4_2$. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 64, n. 3, p. 307–317, 2012. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/2578. Acesso em: 6 dec. 2025.