Computers & Mathematics with Applications
Volume 40, Issues 6–7, September–October 2000, Pages 771-782
Weak centers and bifurcation of critical periods in reversible cubic systems☆
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Keywords
Cubic system
Weak center
Critical period
Bifurcation
Symbolic computation
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Supported by the NNSFC (China) #19871058 and National 863 Project #863-306-05-4-4.
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The authors are very grateful to referees for their helpful comments and suggestions.
Copyright © 2000 Published by Elsevier Ltd.