Blass, Josef; Steiner, Ray On the equation \(y^2+k=x^7\). (English) Zbl 0375.10010 Util. Math. 13, 293-297 (1978). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 3 Documents MSC: 11D41 Higher degree equations; Fermat’s equation 11R11 Quadratic extensions 11R23 Iwasawa theory PDFBibTeX XMLCite \textit{J. Blass} and \textit{R. Steiner}, Util. Math. 13, 293--297 (1978; Zbl 0375.10010)