COLBOURN, Charles J.; KERANEN, Melissa S.; KREHER, Donald L. The 3-GDDs of type $g^3u^2$. Journal of Algebra Combinatorics Discrete Structures and Applications, [S. l.], v. 3, n. 3, p. 135–144, 2016. Disponível em: https://jacodesmath.com/index.php/jacodesmath/article/view/41. Acesso em: 12 sep. 2026.