Epstein, P. Zur Auflösbarkeit der Gleichung \(x^2-Du^2=-1\). (German) Zbl 0009.29501 J. Reine Angew. Math. 171, 243-252 (1934). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 Review Keywords:algebra, number theory × Cite Format Result Cite Review PDF Full Text: DOI Crelle EuDML Link