@INPROCEEDINGS { AUTHOR = "Nicol{\'a}s Lehmann and {\'E}ric Tanter", TITLE = "Gradual Refinement Types", BOOKTITLE = "44th ACM SIGPLAN-SIGACT Symposium on Principles of Programming Languages (POPL)", PAGES = "775-788", YEAR = "2017", ADDRESS = "Paris, France", PUBLISHER = "ACM Press", }