KALEMBA, Piotr; KUCHARSKI, Andrzej. Universally Kuratowski–Ulam spaces and open-open games. Annales Mathematicae Silesianae, [S. l.], v. 29, p. 85–92, 2015. Disponível em: https://trrest.vot.pl/ojsus/index.php/AMSIL/article/view/13979. Acesso em: 4 jul. 2025.