Araya M, Harada M, Suzuki Y. Ternary maximal self-orthogonal codes of lengths $21,22$ and $23$. J. Algebra Comb. Discrete Struct. Appl. [Internet]. 2018 Jan. 15 [cited 2026 Sep. 12];5(1):1-4. Available from: https://www.jacodesmath.com/index.php/jacodesmath/article/view/78