MashayekhyB., Pakdaman A. and TorabiH. (2013) “On the Topological Fundamental Groups of Quotient Spaces”, Ukrains’kyi Matematychnyi Zhurnal, 65(12), pp. 1700–1711. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/2547 (Accessed: 27July2024).