Karlova, O. O., and V. V. Mykhailyuk. “Weak Local Homeomorphisms and B-Favorable Spaces”. Ukrains’kyi Matematychnyi Zhurnal 60, no. 9 (September 25, 2008): 1189–1195. Accessed December 5, 2025. https://umj.imath.kiev.ua/index.php/umj/article/view/3236.