Hongwei Xi, Chiyan Chen, Gang Chen. Guarded recursive datatype constructors. In POPL. pages 224-235, 2003. [doi]
@inproceedings{XiCC03, title = {Guarded recursive datatype constructors}, author = {Hongwei Xi and Chiyan Chen and Gang Chen}, year = {2003}, doi = {10.1145/640128.604150}, url = {http://doi.acm.org/10.1145/640128.604150}, researchr = {https://researchr.org/publication/XiCC03}, cites = {0}, citedby = {0}, pages = {224-235}, booktitle = {POPL}, }