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@article{10_4064_aa_15_3_269_272, author = {L. Mordell}, title = {The diophantine equation $dy^2 = ax^4 + bx^2 + c$}, journal = {Acta Arithmetica}, pages = {269--272}, publisher = {mathdoc}, volume = {15}, number = {3}, year = {1968}, doi = {10.4064/aa-15-3-269-272}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-15-3-269-272/} }
L. Mordell. The diophantine equation $dy^2 = ax^4 + bx^2 + c$. Acta Arithmetica, Tome 15 (1968) no. 3, pp. 269-272. doi : 10.4064/aa-15-3-269-272. http://geodesic.mathdoc.fr/articles/10.4064/aa-15-3-269-272/
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