ZARICHNYI, M.; PENTSAK, E. On strongly universal $k_{\omega}$-spaces related to transfinite inductive and cohomological dimension. Methods of Functional Analysis and Topology, [S. l.], v. 2, n. 3, p. 122–127, 1996. Disponível em: https://zen.imath.kiev.ua/index.php/mfat/article/view/25. Acesso em: 19 dec. 2025.