Oscillation Criteria for Second Order Nonlinear Differential Equations
Received:March 26, 1993  
Key Words: superlinear   sublinear   integral averging   oscillation criterion.  
Fund Project:
Author NameAffiliation
Shao Xiaohuang Hangzhon Normal College
Hangzhon 310036 
Chen Wendeng Central Institute of Finance
Beijing 100081 
Yu Yuanhong Inst.of Appl.Math.
Academia Sinica
Beijing 100080 
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      New oscillation criteria for the second order nonlinear differential equations(a(t)x′(t))′+p(t)x′(t)+q(t)|x(t)|α sgn x(t)=0 are established,which improve results of[1].
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