Finlayson, B. A. (1972). The method of weighted residuals and variational principles. Academic press.
Παραπομπή Chicago StyleFinlayson, Bruce A. The Method of Weighted Residuals and Variational Principles. New York: Academic press, 1972.
Παραπομπή MLAFinlayson, Bruce A. The Method of Weighted Residuals and Variational Principles. Academic press, 1972.
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