Andrew Lewis. Finite cupping sets. Arch. Math. Log., 43(7):845-858, 2004. [doi]
@article{Lewis04, title = {Finite cupping sets}, author = {Andrew Lewis}, year = {2004}, doi = {10.1007/s00153-004-0215-5}, url = {http://dx.doi.org/10.1007/s00153-004-0215-5}, researchr = {https://researchr.org/publication/Lewis04}, cites = {0}, citedby = {0}, journal = {Arch. Math. Log.}, volume = {43}, number = {7}, pages = {845-858}, }