Sandham, H. F. A square as the sum of 7 squares. (English) Zbl 0051.27904 Q. J. Math., Oxf. II. Ser. 4, 230-236 (1953). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 ReviewCited in 8 Documents Keywords:number theory PDF BibTeX XML Cite \textit{H. F. Sandham}, Q. J. Math., Oxf. II. Ser. 4, 230--236 (1953; Zbl 0051.27904) Full Text: DOI OpenURL