@article{JRAM_1968__231_150864,
     author = {N.M. Stephens},
     title = {The diophantine equation {X3} + {Y3} = {DZ3} and the conjectures of {Birch} and {Swinnerton-Dyer.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {121--162},
     publisher = {mathdoc},
     volume = {231},
     year = {1968},
     zbl = {0221.10023},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1968__231_150864/}
}