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2005
On Hopf cyclicity of planar systems with multiple parameters.
[DOI]
Wan Yi Wang
,
Maoan Han
,
Jiong Sun
Appl. Math. Lett., 2005
2003
Weighted poincaré inequalities on one-dimensional unbounded domains.
[DOI]
Wan Yi Wang
,
Zhi Ming Zheng
,
Jiong Sun
Appl. Math. Lett., 2003