Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MS2_1973__33_166328, author = {Troels Jorgensen}, title = {On {Cyclic} {Groups} of {M\"obius} {Transformations.}}, journal = {Mathematica Scandinavica}, pages = {250--260}, publisher = {mathdoc}, volume = {33}, year = {1973}, zbl = {0286.30017}, url = {http://geodesic.mathdoc.fr/item/MS2_1973__33_166328/} }
Troels Jorgensen. On Cyclic Groups of Möbius Transformations.. Mathematica Scandinavica, Tome 33 (1973), pp. 250-260. http://geodesic.mathdoc.fr/item/MS2_1973__33_166328/