00837nam a2200205 a 4500008004100000020002200041100002300063245012800086260003600214300002100250440002900271500008400300650002600384740008400410740004900494740006100543003000100604005001700605040000900622  a0070602182 (pbk.)1 aSpiegel, Murray R.10aSchaum's outline of theory and problems of calculus of finite differences and difference equations /cby Murray R. Spiegel. aNew York :bMcGraw-Hill,c1971. a259 p. ;c28 cm.0 aSchaum's outline series. aCover title and spine: Calculus of finite differences and difference equations. 0aDifference equations.01aTheory and problems of calculus of finite differences and difference equations.01aFinite differences and difference equations. aCalculus of finite differences and difference equations.20230123133548.0 cNUST