TY - JOUR AU - de Cornulier, Yves AU - Stalder, Yves AU - Valette, Alain TI - Proper actions of lamplighter groups associated with free groups JO - Comptes Rendus. Mathématique PY - 2008 SP - 173 EP - 176 VL - 346 IS - 3-4 PB - Elsevier UR - http://www.numdam.org/articles/10.1016/j.crma.2007.11.027/ DO - 10.1016/j.crma.2007.11.027 LA - en ID - CRMATH_2008__346_3-4_173_0 ER -