Ribón, Javier; Embedding smooth and formal diffeomorphisms through the Jordan–Chevalley decomposition. J. Differential Equations 253 (2012), no. 12, 3211–3231
Ribón, Javier; Embedding smooth and formal diffeomorphisms through the Jordan–Chevalley decomposition. J. Differential Equations 253 (2012), no. 12, 3211–3231