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@article{EXMA_2003__12_2_51227, author = {Cummins, C.J. and Pauli, S.}, title = {Congruence subgroups of ) of genus less than or equal to 24.}, journal = {Experimental mathematics}, pages = {243--255}, publisher = {mathdoc}, volume = {12}, number = {2}, year = {2003}, zbl = {1060.11021}, language = {en}, url = {http://geodesic.mathdoc.fr/item/EXMA_2003__12_2_51227/} }
Cummins, C.J.; Pauli, S. Congruence subgroups of ) of genus less than or equal to 24.. Experimental mathematics, Tome 12 (2003) no. 2, pp. 243-255. http://geodesic.mathdoc.fr/item/EXMA_2003__12_2_51227/