Klaus Ambos-Spies. An Inhomogeneity in the Structure of Karp Degrees. SIAM Journal on Computing, 15(4):958-963, 1986.
@article{Ambos-Spies86-1, title = {An Inhomogeneity in the Structure of Karp Degrees}, author = {Klaus Ambos-Spies}, year = {1986}, researchr = {https://researchr.org/publication/Ambos-Spies86-1}, cites = {0}, citedby = {0}, journal = {SIAM Journal on Computing}, volume = {15}, number = {4}, pages = {958-963}, }