@article{lombardi:hal-00980282,
TITLE = {An elementary recursive bound for effective Positivstellensatz and Hilbert 17-th problem},
AUTHOR = {Lombardi, Henri and Perrucci, Daniel and Roy, Marie-Fran{\c c}oise},
URL = {https://hal.science/hal-00980282},
JOURNAL = {Memoirs of the American Mathematical Society},
PUBLISHER = {American Mathematical Society},
VOLUME = {263},
NUMBER = {1277},
YEAR = {2020},
MONTH = Jan, DOI = {10.1090/memo/1277},
HAL_ID = {hal-00980282},
HAL_VERSION = {v1},
}