Spiegal, M. R. (1971). Schaum's outline of theory and problems of calculus of finite differences and difference equations. McGraw-Hill.
Dyfyniad Arddull ChicagoSpiegal, Murrary R. Schaum's Outline of Theory and Problems of Calculus of Finite Differences and Difference Equations. New York: McGraw-Hill, 1971.
Dyfyniad MLASpiegal, Murrary R. Schaum's Outline of Theory and Problems of Calculus of Finite Differences and Difference Equations. McGraw-Hill, 1971.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.