%0 Journal Article %A M. Rejewski %T An application of the theory of permutations in breaking the Enigma cipher %J Applicationes Mathematicae %D 1977 %P 543-559 %V 16 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/am-16-4-543-559/ %R 10.4064/am-16-4-543-559 %G en %F 10_4064_am_16_4_543_559