Tim Freeman, Frank Pfenning. Refinement Types for ML. In PLDI. pages 268-277, 1991.
@inproceedings{FreemanP91, title = {Refinement Types for ML}, author = {Tim Freeman and Frank Pfenning}, year = {1991}, tags = {refinement}, researchr = {https://researchr.org/publication/FreemanP91}, cites = {0}, citedby = {0}, pages = {268-277}, booktitle = {PLDI}, }