Nachum Dershowitz, Edward M. Reingold. Ordinal Arithmetic with List Structures. In Anil Nerode, Michael A. Taitslin, editors, Logical Foundations of Computer Science - Tver 92, Second International Symposium, Tver, Russia, July 20-24, 1992, Proceedings. Volume 620 of Lecture Notes in Computer Science, pages 117-126, Springer, 1992.
Abstract is missing.