Shen, H., & Ushakov, A. (2025). HNN extensions of free groups with equal associated subgroups of finite index: Polynomial time word problem.
Chicago Style (17th ed.) CitationShen, Hanwen, and Alexander Ushakov. HNN Extensions of Free Groups with Equal Associated Subgroups of Finite Index: Polynomial Time Word Problem. 2025.
MLA (9th ed.) CitationShen, Hanwen, and Alexander Ushakov. HNN Extensions of Free Groups with Equal Associated Subgroups of Finite Index: Polynomial Time Word Problem. 2025.
Warning: These citations may not always be 100% accurate.