References
- Brown , J. L. 1961 . Note on complete sequences of integers . Amer. Math. Monthly , 68 : 557 – 560 .
- Brown , J. L. 1967 . Proof of Scherk's conjecture on the representation of primes . Amer. Math. Monthly , 74 : 31 – 33 .
- Dickson , L. E. 1952 . History of the Theory of Numbers Vol. I , Chelsea, New York (Divisibility and Primality)