Thomas F. Kent, Andrea Sorbi. Bounding nonsplitting enumeration degrees. Journal of Symbolic Logic, 72(4):1405-1417, 2007. [doi]
@article{KentS07, title = {Bounding nonsplitting enumeration degrees}, author = {Thomas F. Kent and Andrea Sorbi}, year = {2007}, url = {http://projecteuclid.org/euclid.jsl/1203350795}, researchr = {https://researchr.org/publication/KentS07}, cites = {0}, citedby = {0}, journal = {Journal of Symbolic Logic}, volume = {72}, number = {4}, pages = {1405-1417}, }