| AUTHOR: | Churchill, Ruel Vance, 1899- | 
| TITLE: | Fourier series and boundary value problems / Ruel V. Churchill, James Ward Brown. | 
| EDITION: | 4th ed. | 
| PUBLISHER: | New York : McGraw-Hill, c1987. | 
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| AUTHOR: | Whitham, G. B. (Gerald Beresford), 1927- | 
| TITLE: | Linear and nonlinear waves [by] G.B. Whitham. | 
| PUBLISHER: | New York, Wiley [1974] | 
| SERIES: | Pure and applied mathematics | 
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| AUTHOR: | Whitham, G. B. (Gerald Beresford), 1927- | 
| TITLE: | Linear and nonlinear waves [by] G.B. Whitham. | 
| PUBLISHER: | New York, Wiley [1974] | 
| SERIES: | Pure and applied mathematics | 
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| AUTHOR: | Courant, Richard, 1888-1972. | 
| UNIFORM TITLE: | Methoden der mathematischen Physik. English | 
| TITLE: | Methods of mathematical physics, by R. Courant and D. Hilbert. | 
| EDITION: | 1st English ed., translated and rev. from the German original. | 
| PUBLISHER: | New York, Interscience Publishers, 1953-62. | 
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| AUTHOR: | Strauss, Walter A., 1937- | 
| TITLE: | Partial differential equations; an introduction / Walter A. Strauss. | 
| PUBLISHER: | New York : Wiley, c1992. | 
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