PDF(475 KB)
On the Uniqueness of the Limit Cycle of the Quadratic System with a 2nd-Order Weak Focus
Ping Guang ZHANG
Acta Mathematica Sinica, Chinese Series ›› 1999, Vol. 42 ›› Issue (2)
PDF(475 KB)
PDF(475 KB)
On the Uniqueness of the Limit Cycle of the Quadratic System with a 2nd-Order Weak Focus
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