Amram, Meirav, Robert Shwartz, and Mina Teicher. “Covers of D-Type Artin Groups”. The Electronic Journal of Combinatorics 24, no. 4 (October 20, 2017): #P4.17. Accessed May 14, 2026. https://www.combinatorics.org/ojs/index.php/eljc/article/view/v24i4p17.