Media type: E-Article Title: Real zeros of positive semidefinite forms. I Contributor: Choi, Man-Duen; Lam, Tsit-Yuen; Reznick, Bruce Published: Springer Science and Business Media LLC, 1980 Published in: Mathematische Zeitschrift, 171 (1980) 1, Seite 1-26 Language: English DOI: 10.1007/bf01215051 ISSN: 0025-5874; 1432-1823 Keywords: General Mathematics Origination: Footnote: Access State: Open Access