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@article{MS2_1993__72_1_167247, author = {Mika Sepp\"al\"a and Tuomas Sorvali}, title = {Leftings of {M\"obius} groups to matrix groups.}, journal = {Mathematica Scandinavica}, pages = {223--234}, publisher = {mathdoc}, volume = {72}, number = {1}, year = {1993}, zbl = {0797.30034}, url = {http://geodesic.mathdoc.fr/item/MS2_1993__72_1_167247/} }
Mika Seppälä; Tuomas Sorvali. Leftings of Möbius groups to matrix groups.. Mathematica Scandinavica, Tome 72 (1993) no. 1, pp. 223-234. http://geodesic.mathdoc.fr/item/MS2_1993__72_1_167247/