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Original Articles

Sums of Squares of Polynomials

Pages 813-821 | Published online: 23 Apr 2018

REFERENCES

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  • Albrecht Pfister, Hilbert's seventeenth problem and related problems on definite forms, in Mathematical Developments arising from Hilbert Problems, American Mathematical Society, Providence, 1976, pp. 483–489.
  • Raphael M. Robinson, Some definite polynomials which are not sums of squares of real polynomials, Notices Amer. Math. Soc. 16 (1969) 554.
  • Walter Rudin, Principles of Mathematical Analysis, 3rd ed., McGraw-Hill, New York, 1976.

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