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@article{IM2_1982_18_1_a5, author = {V. V. Nikulin}, title = {On the classification of arithmetic groups generated by reflections in {Lobachevsky} spaces}, journal = {Izvestiya. Mathematics }, pages = {99--123}, publisher = {mathdoc}, volume = {18}, number = {1}, year = {1982}, language = {en}, url = {http://geodesic.mathdoc.fr/item/IM2_1982_18_1_a5/} }
V. V. Nikulin. On the classification of arithmetic groups generated by reflections in Lobachevsky spaces. Izvestiya. Mathematics , Tome 18 (1982) no. 1, pp. 99-123. http://geodesic.mathdoc.fr/item/IM2_1982_18_1_a5/