Thomas Beth. On the Arithmetics of Galoisfields and The Like. Algebraic Questions Arising in the Design of Secure Communication Systems. In Jacques Calmet, editor, Algebraic Algorithms and Error-Correcting Codes, 3rd International Conference, AAECC-3, Grenoble, France, July 15-19, 1985, Proceedings. Volume 229 of Lecture Notes in Computer Science, pages 2-16, Springer, 1985.
Abstract is missing.