Jiawang Nie, Markus Schweighofer. On the complexity of Putinar s Positivstellensatz. J. Complexity, 23(1):135-150, 2007. [doi]
@article{NieS07,
title = {On the complexity of Putinar s Positivstellensatz},
author = {Jiawang Nie and Markus Schweighofer},
year = {2007},
doi = {10.1016/j.jco.2006.07.002},
url = {http://dx.doi.org/10.1016/j.jco.2006.07.002},
researchr = {https://researchr.org/publication/NieS07},
cites = {0},
citedby = {0},
journal = {J. Complexity},
volume = {23},
number = {1},
pages = {135-150},
}