%0 Journal Article %A Bernhard Leeb %T Harmonic functions along Brownan balls an the Liouville property for solvable Lie groups. %J Mathematische Annalen %D 1993 %P 577-584 %V 296 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAN_1993__296_4_165101/ %F MAN_1993__296_4_165101