TіmоkhоvіchV. L. (1970) “On one property of spaces admitting a perfect mapping onto the metric ones ”, Ukrains’kyi Matematychnyi Zhurnal, 23(1), pp. 43-48. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/8477 (Accessed: 24November2024).