Williams, W. E. (1973). Fourier series and boundary-value problems. Allen & Unwin.
Chicago Style aipamenaWilliams, William Elwyn. Fourier Series and Boundary-value Problems. London: Allen & Unwin, 1973.
MLA aipamenaWilliams, William Elwyn. Fourier Series and Boundary-value Problems. Allen & Unwin, 1973.
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