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- Blom, Rolf
(författare)
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On Pure Ciphers
- 1979
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Rapport (övrigt vetenskapligt/konstnärligt)abstract
- The algebraic structure of the set of enciphering trans formations of a pure cipher is analysed. An alternative definition of pure ciphers is given and necessary and sufficient conditions for the product of two pure ciphers to be pure is found.
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- Persson, Lars-Erik
(författare)
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On a weak-type theorem with applications
- 1979
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Ingår i: Proceedings of the London Mathematical Society. - : Wiley. - 0024-6115 .- 1460-244X. ; s3-38:2, s. 295-308
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Tidskriftsartikel (refereegranskat)
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