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@article{MAN_1992__293_4_164968, author = {Toshiaki Hattori}, title = {Geometry of quotient spaces of {SO} (3) {SL} (3, {R)} by congruence subgroups.}, journal = {Mathematische Annalen}, pages = {443--468}, publisher = {mathdoc}, volume = {293}, number = {4}, year = {1992}, zbl = {0769.53033}, url = {http://geodesic.mathdoc.fr/item/MAN_1992__293_4_164968/} }
Toshiaki Hattori. Geometry of quotient spaces of SO (3) SL (3, R) by congruence subgroups.. Mathematische Annalen, Tome 293 (1992) no. 4, pp. 443-468. http://geodesic.mathdoc.fr/item/MAN_1992__293_4_164968/