Bouyuklieva, Stefka, Masaaki Harada, and Akihiro Munemasa. “Nonexistence of Certain Singly Even Self-Dual Codes With Minimal Shadow”. The Electronic Journal of Combinatorics 25, no. 1 (January 25, 2018): #P1.13. Accessed April 11, 2026. https://www.combinatorics.org/ojs/index.php/eljc/article/view/v25i1p13.