PDF(215 KB)
THE PROBLEM OF EXISTENCE OF LIMIT CYCLES FOR THE CENTRAL SYMMETRIC CUBIC SYSTEM WITH CUBIC CURVE SOLUTION
Shen Boqian
Journal of Systems Science and Mathematical Sciences ›› 1998, Vol. 18 ›› Issue (3) : 309-314.
PDF(215 KB)
PDF(215 KB)
THE PROBLEM OF EXISTENCE OF LIMIT CYCLES FOR THE CENTRAL SYMMETRIC CUBIC SYSTEM WITH CUBIC CURVE SOLUTION
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