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@article{10_4064_aa_28_3_273_275, author = {J. Cohn}, title = {The {Diophantine} equation $y^2 = Dx^4 + 1$, {II}}, journal = {Acta Arithmetica}, pages = {273--275}, publisher = {mathdoc}, volume = {28}, number = {3}, year = {1975}, doi = {10.4064/aa-28-3-273-275}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-28-3-273-275/} }
J. Cohn. The Diophantine equation $y^2 = Dx^4 + 1$, II. Acta Arithmetica, Tome 28 (1975) no. 3, pp. 273-275. doi : 10.4064/aa-28-3-273-275. http://geodesic.mathdoc.fr/articles/10.4064/aa-28-3-273-275/
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