@inbook{9fdfad5af00e43dfae0e1f954ecc3293,
title = "Sums of squares of real polynomials",
author = "Choi, {M. D.} and Lam, {T. Y.} and B. Reznick",
year = "1995",
doi = "10.1090/pspum/058.2/1327293",
language = "English (US)",
isbn = "978-0-8218-0340-0",
series = "Proceedings of Symposia in Pure Mathematics",
publisher = "American Mathematical Society",
pages = "103--126",
editor = "Bill Jacob and Alex Rosenberg",
booktitle = "K-Theory and Algebraic Geometry: Connections with Quadratic Forms and Division Algebras, Part 2",
address = "United States",
}