TY - JOUR AU - Rupp, Rudolf TI - Stable Rank and the -Equation JO - Canadian mathematical bulletin PY - 1991 SP - 113 EP - 118 VL - 34 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1991-018-0/ DO - 10.4153/CMB-1991-018-0 ID - 10_4153_CMB_1991_018_0 ER -