The Quasi-Duhamel Principle and Its Applications
Received:July 02, 1989  
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Author NameAffiliation
L. C. Hsu Dalian Universtiy of Technology 
Sun Guangrun Qufu Normal University
Qufu 
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Abstract:
      In this paper the techniques of nonstandard analysis are used to establish the quasi-Duhamel Principle. The applications of our result lead to simple nonstandard proofs for some theorems of classical mathematical analysis.This principle is also very useful for nonstandard asymptotic approximation of sums and integrals.
Citation:
DOI:10.3770/j.issn:1000-341X.1990.04.004
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