Martí-Farré, Jaume, and Carles Padró. “Secret Sharing Schemes on Sparse Homogeneous Access Structures With Rank Three”. The Electronic Journal of Combinatorics 11, no. 1 (October 7, 2004): R72. Accessed March 17, 2026. https://www.combinatorics.org/ojs/index.php/eljc/article/view/v11i1r72.