Normal forms of families of maps in the Poincaré domain
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Tài liệu tham khảo
V. I. Arnold, Geometric Methods in the Theory of Ordinary Differential Equations (MTsNMO, Moscow, 2002) [in Russian].
N. N. Brushlinskaya, “Versal Family of Vector Fields of a Poincaré Domain,” Funkts. Anal. Prilozh. 4(1), 6–13 (1970) [Funct. Anal. Appl. 4, 5–11 (1970)].
Yu. S. Il’yashenko and A. S. Pyartli, “The Materialization of Poincaré Resonances and the Divergence of Normalizing Series,” Proc. Semin. im. I.G. Petrovskogo 7, 3–49 (1981).
B. V. Shabat, Introduction to Complex Analysis (Nauka, Moscow, 1969) [in Russian].