@article{GDZPPN002206595,
title = {Torsion groups of elliptic curves with integral j-invariant over quadratic fields.},
journal = {Journal f\"ur die reine und angewandte Mathematik},
volume = {394},
year = {1989},
pages = {100-161},
zbl = {0662.14020},
url = {http://dml.mathdoc.fr/item/GDZPPN002206595}
}
Müller, H.H.; Ströher, H.; Zimmer, H.G. Torsion groups of elliptic curves with integral j-invariant over quadratic fields.. Journal für die reine und angewandte Mathematik, Tome 394 (1989) pp. 100-161. http://gdmltest.u-ga.fr/item/GDZPPN002206595/