00357nam a2200109Ia 4500008004100000020001800041082002000059100002000079245008300099260003800182300002700220260827b        |||||||| |||| 00| 0 eng d  a9783110413328  a511.33bD559.DA  aDiekert, Volker  aDiscrete algebraic methodsb: arithmetic, cryptography, automata, and groups /  aBerlin:bWalter de Gruyter,c2016  axii, 342p. Bibl. Index