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@article{CM_1986__58_2_191_0, author = {Coleman, Robert F.}, title = {Torsion points on fermat curves}, journal = {Compositio Mathematica}, pages = {191--208}, publisher = {Martinus Nijhoff Publishers}, volume = {58}, number = {2}, year = {1986}, mrnumber = {844409}, zbl = {0604.14019}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CM_1986__58_2_191_0/} }
Coleman, Robert F. Torsion points on fermat curves. Compositio Mathematica, Tome 58 (1986) no. 2, pp. 191-208. http://geodesic.mathdoc.fr/item/CM_1986__58_2_191_0/