ASGARI, MEHRI; SOLTANKHAH, NASRIN. On the non-existence of some Steiner t-(υ, k) trades of certain volumes. Utilitas Mathematica , [S. l.], v. 79, 2009. Disponível em: https://utilitasmathematica.com/index.php/Index/article/view/620. Acesso em: 8 may. 2026.