ADAMS, PETER; BRYANT, DARRYN E.; KHODKAR A. On the number of repeated triples in balanced ternary designs with index two. Utilitas Mathematica , [S. l.], v. 55, 1999. Disponível em: https://utilitasmathematica.com/index.php/Index/article/view/150. Acesso em: 8 may. 2026.