Xu, Jing. “Circulant Homogeneous Factorisations of Complete Digraphs $\rm\bf K_{p^d}$ With $p$ an Odd Prime”. The Electronic Journal of Combinatorics 24, no. 2 (June 2, 2017): P2.27. Accessed March 17, 2026. https://www.combinatorics.org/ojs/index.php/eljc/article/view/v24i2p27.