TY - JOUR AU - Marcelo, Agustín AU - Marcelo, Félix AU - Rodríguez, César TI - The Grade Conjecture and the S 2 Condition JO - Canadian mathematical bulletin PY - 2002 SP - 119 EP - 122 VL - 45 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-2002-014-6/ DO - 10.4153/CMB-2002-014-6 ID - 10_4153_CMB_2002_014_6 ER -