1. Geometrical Methods in the Theory of Ordinary Differential Equations;Arnol'd,1988
2. Analytic linearizability of some resonant vector fields;Basto-Gonçalves;Proc. Amer. Math. Soc.,2001
3. Gevrey and analytic local models for families of vector fields;Bonckaert;Discrete Contin. Dyn. Syst. Ser. B,2008
4. On the flat remainder in normal forms of families of analytic planar saddles;Bonckaert;C. R. Math. Acad. Sci. Paris,2008
5. A finiteness theorem for families of vector fields in the neighborhood of a singular point of Poincaré type;Brušlinskaja;Funktsional. Anal. i Prilozhen.,1971