ISSN 0583-1431 CN 11-2039/O1
ON THE EXISTENCE OF PERIODIC SOLUTIONS FOR LIENARD SYSTEMS
WEIYUE DING
Acta Mathematica Sinica, Chinese Series ›› 1982, Vol. 25 ›› Issue (5) : 626-632.
ON THE EXISTENCE OF PERIODIC SOLUTIONS FOR LIENARD SYSTEMS
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