Jan Zwanenburg. Pure Type Systems with Subtyping. In Jean-Yves Girard, editor, Typed Lambda Calculi and Applications, 4th International Conference, TLCA 99, L Aquila, Italy, April 7-9, 1999, Proceedings. Volume 1581 of Lecture Notes in Computer Science, pages 381-396, Springer, 1999. [doi]
Abstract is missing.