Churchill, R. V. (1963). Fourier series and boundary value problems. New York: McGraw-Hill.
Trích dẫn kiểu ChicagoChurchill, Ruel V. Fourier Series and Boundary Value Problems. New York: McGraw-Hill, 1963.
ציטוט MLAChurchill, Ruel V. Fourier Series and Boundary Value Problems. New York: McGraw-Hill, 1963.
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