This article is cited in 1 paper

Ordinary Differential Equations

The Generalized Normal Form and Formal Equivalence of Systems of Differential Equations with Zero Approximation $(x_2^3,-x_1^3)$

V. V. Basov

Saint Petersburg State University

UDC: 517.925.5

Received: 02.09.2002

 English version: Differential Equations, 2004, 40:8, 1073–1085

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