共 50 条
- [2] A Generalized Normal Form and Formal Equivalence of Two-Dimensional Systems with Quadratic Zero Approximation: I Differential Equations, 2003, 39 : 1067 - 1081
- [5] A generalized normal form and formal equivalence of two-dimensional systems with quadratic zero approximation: IV Differential Equations, 2009, 45 : 305 - 322
- [7] A Generalized Normal Form and Formal Equivalence of Two-Dimensional Systems with Quadratic Zero Approximation: II Differential Equations, 2005, 41 : 1061 - 1074
- [10] A Generalized Normal Form and Formal Equivalence of Systems of Differential Equations with Zero Characteristic Numbers Differential Equations, 2003, 39 : 165 - 181