Luc Longpré, Paul Young. Cook Reducibility is Faster than Karp Reduciblity in NP. J. Comput. Syst. Sci., 41(3):389-401, 1990.
@article{LongpreY90, title = {Cook Reducibility is Faster than Karp Reduciblity in NP}, author = {Luc Longpré and Paul Young}, year = {1990}, researchr = {https://researchr.org/publication/LongpreY90}, cites = {0}, citedby = {0}, journal = {J. Comput. Syst. Sci.}, volume = {41}, number = {3}, pages = {389-401}, }