Open Access
V. Tzannes, "Two countable Hausdorff almost regular spaces every contiunous map of which into every Urysohn space is constant", International Journal of Mathematics and Mathematical Sciences, vol. 14, Article ID 425219, 6 pages, 1991. https://doi.org/10.1155/S0161171291000959
Two countable Hausdorff almost regular spaces every contiunous map of which into every Urysohn space is constant
Abstract
We construct two countable, Hausdorff, almost regular spaces
Copyright
Copyright © 1991 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.