TY - JOUR AU - Menous, Frédéric TI - The Birkhoff decomposition in groups of formal diffeomorphisms JO - Comptes Rendus. Mathématique PY - 2006 SP - 737 EP - 740 VL - 342 IS - 10 PB - Elsevier UR - http://www.numdam.org/articles/10.1016/j.crma.2006.02.035/ DO - 10.1016/j.crma.2006.02.035 LA - en ID - CRMATH_2006__342_10_737_0 ER -