Neuralgia 发表于 2025-3-26 22:26:15
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Springer Series in Synergeticshttp://image.papertrans.cn/s/image/877955.jpgOrdeal 发表于 2025-3-27 08:43:17
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http://reply.papertrans.cn/88/8780/877955/877955_37.pngantecedence 发表于 2025-3-28 05:25:18
Vicenç Méndez,Daniel Campos,Frederic Bartumeuscase of functions of two variables (the Green formula, the Cauchy integral theorem)..In Sect. ., we use the results obtained and discuss the important class of harmonic functions in detail. We establish their basic properties (the mean value theorem, Harnack’s inequality, etc.). We also consider theanchor 发表于 2025-3-28 10:02:42
rigonometric series for functions of one variable cannot be carried over to Fourier series of functions of several variables. The rest of Sect. . is devoted to multiple Fourier series. Along with the counterparts of certain statements in the one-dimensional case, we discuss some facts (failure of thRAGE 发表于 2025-3-28 13:37:38
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