Ahmad, Z. U., Govil, N. K. and Jain P. K. Fourier analysis, approximation : theory and applications - London ; New Age International , 1977 - vi,401p. ISBN: 812241107x 895 Subjects--Topical Terms: Fourier AnalysisMathematical AnalysisMathematics Dewey Class. No.: 515.243 / AHM