Athanasiadis, Christos A., and Myrto Kallipoliti. “Edgewise Cohen-Macaulay Connectivity of Partially Ordered Sets”. Mathematica Scandinavica 122, no. 1 (February 20, 2018): 5–17. Accessed July 24, 2026. https://journals.msp.org/mscand/article/view/288.