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The advances in the area of multi-way channels during the period 1961-1976 are described. Shannon's two-way channel, the multiple-access channel, the interference channel, the broadcast channel, and the relay channel are treated successively. Only channel coding aspects are discussed. Thirty-nine open problems are mentioned.doi:10.1109/tit.1977.1055652 fatcat:sjx4ysx66nfepldpbju5etvrni