@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",

}