%0 Journal Article %A Gerd Herzog %A Christoph Schmoeger %T On the functional equation defined by Lie's product formula %J Studia Mathematica %D 2006 %P 271-277 %V 175 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm175-3-5/ %R 10.4064/sm175-3-5 %G en %F 10_4064_sm175_3_5