Haldeman, C. B. On biquadrate numbers. (On biquadrate numbers.) (English) JFM 35.0229.13 Math. Magazine 2, 285-296 (1904). 20 Cited in 1 Document MSC: 11D25 Cubic and quartic Diophantine equations 11D85 Representation problems JFM Section:Dritter Abschnitt. Niedere und höhere Arithmetik. Kapitel 2. Zahlentheorie. A. Allgemeines. Weitere Litteratur. Keywords:sum of fourth powers; identity of Haldeman-Martin-Ramanujan × Cite Format Result Cite Review PDF