@article{MAN_1974__207_162537,
     author = {Frans Oort},
     title = {Elliptic {Curves:} {Diophantine} {Torsion} {Solutions} and {Singular} {j-Invariants.}},
     journal = {Mathematische Annalen},
     pages = {139--162},
     publisher = {mathdoc},
     volume = {207},
     year = {1974},
     zbl = {0253.14004},
     url = {http://geodesic.mathdoc.fr/item/MAN_1974__207_162537/}
}