The capacity of a channel with arbitrarily varying channel probability functions and binary output
In: Zeitschrift für Wahrscheinlichkeitstheorie und verwandte Gebiete, Jg. 15 H. 3, S. 186-194
The structure of capacity functions for compound channels
In: Probability and information theory, Jg. vol. 1: Proceedings of the international symposium at McMaster University, Canada, April 1968, S. 12-54