Graybill, F. A.; Milliken, G. Quadratic forms and idempotent matrices with random elements. (English) Zbl 0188.51601 Ann. Math. Stat. 40, 1430-1438 (1969). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 65 Documents Keywords:statistics PDF BibTeX XML Cite \textit{F. A. Graybill} and \textit{G. Milliken}, Ann. Math. Stat. 40, 1430--1438 (1969; Zbl 0188.51601) Full Text: DOI OpenURL