@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/}
}