BROWN, Ron; MERZEL, Jonathan L. The space of real places on ℝ(x, y). Annales Mathematicae Silesianae, [S. l.], v. 32, p. 99–131, 2018. Disponível em: https://trrest.vot.pl/ojsus/index.php/AMSIL/article/view/13916. Acesso em: 7 may. 2025.