Spiegel, M. R. (1971). Schaum's outline of theory and problems of calculus of finite differences and difference equations. McGraw-Hill.
Style de citation Chicago (17e éd.)Spiegel, Murray R. Schaum's Outline of Theory and Problems of Calculus of Finite Differences and Difference Equations. New York: McGraw-Hill, 1971.
Style de citation MLA (8e éd.)Spiegel, Murray R. Schaum's Outline of Theory and Problems of Calculus of Finite Differences and Difference Equations. McGraw-Hill, 1971.
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