Kumegawa, Kazuki, Ysukasa Okazaki, and Tatsuya Maruta. “On the Minimum Length of Linear Codes over the Field of 9 Elements”. The Electronic Journal of Combinatorics 24, no. 1 (March 17, 2017): P1.50. Accessed March 14, 2026. https://www.combinatorics.org/ojs/index.php/eljc/article/view/v24i1p50.