1. R. Ahlswede and A. Kaspi, “Optimal Coding Strategies for Certain Permuting Channels,” submitted to IEEE Trans. Inf. Theory.
2. R. Ahlswede, “Coloring Hypergraphs: A New Approach to Multiuser Source Coding,” Part I, J. Combinatorics, Inf. Syst. Sci. 4, No. 1, pp. 76–115 (1979); Part II, J. Combinatorics, Inf. Syst. Sci. 5, No. 3, pp. 220–268 (1980).
3. R. Ahlswede and D.E. Daykin, “Inequalities for a Pair of Maps S × S → S with S a Finite Set,” Math. Z. 165, pp. 267–289 (1979).