M. S. Joy, Victor J. Rayward-Smith. NP-Completeness of a Combinator Optimization Problem. Notre Dame Journal of Formal Logic, 36(2):319-335, 1995.
@article{JoyR95, title = {NP-Completeness of a Combinator Optimization Problem}, author = {M. S. Joy and Victor J. Rayward-Smith}, year = {1995}, tags = {optimization, completeness}, researchr = {https://researchr.org/publication/JoyR95}, cites = {0}, citedby = {0}, journal = {Notre Dame Journal of Formal Logic}, volume = {36}, number = {2}, pages = {319-335}, }