GIONFRIDDO, MARIO; AMATO, ALBERTO. Colourings of Voloshin for S2(2,3, v)*. Utilitas Mathematica , [S. l.], v. 74, 2007. Disponível em: https://utilitasmathematica.com/index.php/Index/article/view/462. Acesso em: 9 jul. 2026.