00605nam a2200145 a 4500008004100000050001500041100002200056245008900078260003200167300001000199350000900209995009300218999001700311952013100328120416s1971    ||||||||||||||||| ||    u  aQA 431 Spi  aSpiegel, Murray R10aSchaum's outline problems of calculus of finite differences and difference equations  aNew YorkbMcGraw-Hillc1971  a259p.  a0.00  D0.00FCBU-MAIN LIBRARY (Kitwe)H1I2.60M1UDAMAGEDZMain Library Open Access Collection  c57042d57042  00102lcc4070a001b001cMain Library Open Access Collectiond2022-11-30l0oQA 431 Spip713665r2022-11-30w2022-11-30y002