%0 Journal Article %A Brian Jefferies %T Exponential bounds for noncommuting systems of matrices %J Studia Mathematica %D 2001 %P 197-207 %V 144 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4064/sm144-3-1/ %R 10.4064/sm144-3-1 %G en %F 10_4064_sm144_3_1