Jean B. Lasserre. A Sum of Squares Approximation of Nonnegative Polynomials. SIAM Review, 49(4):651-669, 2007. [doi]
@article{Lasserre07, title = {A Sum of Squares Approximation of Nonnegative Polynomials}, author = {Jean B. Lasserre}, year = {2007}, doi = {10.1137/070693709}, url = {http://dx.doi.org/10.1137/070693709}, researchr = {https://researchr.org/publication/Lasserre07}, cites = {0}, citedby = {0}, journal = {SIAM Review}, volume = {49}, number = {4}, pages = {651-669}, }