Clayton H. Lewis, Barry K. Rosen. Recursively Defined Data Types. In POPL. pages 125-138, 1973.
@inproceedings{LewisR73, title = {Recursively Defined Data Types}, author = {Clayton H. Lewis and Barry K. Rosen}, year = {1973}, tags = {data-flow}, researchr = {https://researchr.org/publication/LewisR73}, cites = {0}, citedby = {0}, pages = {125-138}, booktitle = {POPL}, }