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               Due articoli e un libro di 
              
              
              A.W.F Edwards
              
              
              
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|   Sums of powers of integers: A little of the History, The mathematical Gazette, vol.66 N.435 (1982); scarica  | 
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| A quick route to sums of powers, Americ.Math.Monthly 93 (1986)). scarica | |
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              Pascal's Arithmetical Triangle, The jhon Hopkins University press, Baltimore and London 2002 |