Brodsky, Sarah B. “The Zonotopal Algebra of the Broken Wheel Graph and Its Generalization”. The Electronic Journal of Combinatorics 31, no. 1 (February 23, 2024): #P1.49. Accessed June 25, 2026. https://www.combinatorics.org/ojs/index.php/eljc/article/view/v31i1p49.