Stephen G. Simpson. Degrees of Unsolvability: A Tutorial. In Arnold Beckmann, Victor Mitrana, Mariya Ivanova Soskova, editors, Evolving Computability - 11th Conference on Computability in Europe, CiE 2015, Bucharest, Romania, June 29 - July 3, 2015. Proceedings. Volume 9136 of Lecture Notes in Computer Science, pages 83-94, Springer, 2015. [doi]
@inproceedings{Simpson15-1, title = {Degrees of Unsolvability: A Tutorial}, author = {Stephen G. Simpson}, year = {2015}, doi = {10.1007/978-3-319-20028-6_9}, url = {http://dx.doi.org/10.1007/978-3-319-20028-6_9}, researchr = {https://researchr.org/publication/Simpson15-1}, cites = {0}, citedby = {0}, pages = {83-94}, booktitle = {Evolving Computability - 11th Conference on Computability in Europe, CiE 2015, Bucharest, Romania, June 29 - July 3, 2015. Proceedings}, editor = {Arnold Beckmann and Victor Mitrana and Mariya Ivanova Soskova}, volume = {9136}, series = {Lecture Notes in Computer Science}, publisher = {Springer}, isbn = {978-3-319-20027-9}, }