00821nam0-22002651i-450-990001227050403321000122705FED01000122705(Aleph)000122705FED0100012270520000920d1988----km-y0itay50------baengTheory of Difference Equations, Numerical Methods and ApplicationsBY LA KSHMIKANTHAM V. TRIGIANTE D.Boston [etc.]Academic Press1988.Mathematics in science and engineering181Lakshmikantham,Vangipuram269023Trigiante,DonatoITUNINARICAUNIMARCBK990001227050403321C-26-(1814611MA1MA1Theory of Difference Equations348115UNINAING01