Lunjin Lu. Checking Emptiness of Non-Deterministic Regular Types with Set Operators. Electronic Notes in Theoretical Computer Science, 212:191-206, 2008. [doi]
@article{Lu08:4, title = {Checking Emptiness of Non-Deterministic Regular Types with Set Operators}, author = {Lunjin Lu}, year = {2008}, doi = {10.1016/j.entcs.2008.04.062}, url = {http://dx.doi.org/10.1016/j.entcs.2008.04.062}, tags = {type checking}, researchr = {https://researchr.org/publication/Lu08%3A4}, cites = {0}, citedby = {0}, journal = {Electronic Notes in Theoretical Computer Science}, volume = {212}, pages = {191-206}, }