Benoît Montagu, Didier Rémy. Modeling abstract types in modules with open existential types. In Zhong Shao, Benjamin C. Pierce, editors, Proceedings of the 36th ACM SIGPLAN-SIGACT Symposium on Principles of Programming Languages, POPL 2009, Savannah, GA, USA, January 21-23, 2009. pages 354-365, ACM, 2009. [doi]
Abstract is missing.