%0 Journal Article %A Antoine Gournay %T Harmonic functions with finite p-energy on lamplighter graphs are constant %J Comptes Rendus. Mathématique %D 2016 %P 762-765 %V 354 %N 8 %I Elsevier %R 10.1016/j.crma.2016.04.015 %G en %F CRMATH_2016__354_8_762_0