Timothy Jones, David J. Pearce. A Mechanical Soundness Proof for Subtyping Over Recursive Types. In Vladimir Klebanov, editor, Proceedings of the 18th Workshop on Formal Techniques for Java-like Programs, FTfJP@ECOOP 2016, Rome, Italy, July 17-22, 2016. pages 1, ACM, 2016. [doi]
Abstract is missing.