PDF(583 KB)
The Center Problem and Time-Reversibility with Respect to a Quadratic Involution for a Class of Polynomial Differential Systems with Order 2 or 3
YANG Jing, YANG Ming, LU Zhengyi
系统科学与复杂性(英文) ›› 2022, Vol. 35 ›› Issue (4) : 1608-1636.
PDF(583 KB)
PDF(583 KB)
The Center Problem and Time-Reversibility with Respect to a Quadratic Involution for a Class of Polynomial Differential Systems with Order 2 or 3
The Center Problem and Time-Reversibility with Respect to a Quadratic Involution for a Class of Polynomial Differential Systems with Order 2 or 3
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