CHEN, JING; WEI, JUN LIU. 3-designs from PSL(2, q) with q = 1(mod 4). Utilitas Mathematica , [S. l.], v. 88, 2012. Disponível em: https://utilitasmathematica.com/index.php/Index/article/view/879. Acesso em: 8 may. 2026.