The Mean Value Theorem and Converse Theorem of One Class High Order Partial Differential Equations
Received:November 14, 1997  
Key Words: asgeirsson mean   value theorem   E-P-D equation   ultrhyperbolic equation.  
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Author NameAffiliation
TONG Xiao-jun University of Petroleum, Dongying, 257062, China
Huazhong University of Science and Technology, Wuhan 430074, China 
TONG Deng-ke University of Petroleum, Dongying, 257062, China 
CHEN Mian-yun Huazhong University of Science and Technology, Wuhan 430074, China 
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Abstract:
      In this paper, we applied the different method, disgussed the partial differential equation of the fouth order (?) and proved the mean value of this equation′s solution satisfied E-P-D equation and proved coverse conclusion, too.
Citation:
DOI:10.3770/j.issn:1000-341X.2000.03.013
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