Fourier分析导论——第4章——Fourier级数的一些应用(E.M. Stein & R. Shakarchi)
第4章傅里叶级数的一些应用Fourierseriesandanalogousexpansionsinterveneverynaturallyinthegeneraltheoryofcurvesandsurfaces.Ineffect,thistheory,conceivedfromthepointofviewofanalysis,dealsobviouslywiththestudyofarbitr