Churchill, R. V. (1963). Fourier series and boundary value problems. New York: McGraw-Hill.
Dyfyniad Arddull ChicagoChurchill, Ruel V. Fourier Series and Boundary Value Problems. New York: McGraw-Hill, 1963.
Dyfyniad MLAChurchill, Ruel V. Fourier Series and Boundary Value Problems. New York: McGraw-Hill, 1963.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.