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Author: Tkachenko, Mikhail

• Tkachenko, Mikhail: A countably cellular topological group all of whose countable subsets are closed need not be $\mathbb{R}$-factorizable. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 64 (2023), issue 1, pp. 127-135
• Lin, Shou; Tkachenko, Mikhail: Connected LCA groups are sequentially connected. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 54 (2013), issue 2, pp. 263-272
• Hernández, Constancio; Tkachenko, Mikhail: The Lindelöf property and pseudo-$\aleph_1$-compactness in spaces and topological groups. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 49 (2008), issue 4, pp. 677-692