TY - JOUR AU - Brian Jefferies TI - Exponential bounds for noncommuting systems of matrices JO - Studia Mathematica PY - 2001 SP - 197 EP - 207 VL - 144 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.4064/sm144-3-1/ DO - 10.4064/sm144-3-1 LA - en ID - 10_4064_sm144_3_1 ER -