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@article{DAN_1976_231_5_a0, author = {B. N. Apanasov}, title = {On the relation of the group $\mathrm{SL}(n,Z)$ with the $n$-dimensional modular group}, journal = {Doklady Akademii Nauk}, pages = {1033--1036}, publisher = {mathdoc}, volume = {231}, number = {5}, year = {1976}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1976_231_5_a0/} }
B. N. Apanasov. On the relation of the group $\mathrm{SL}(n,Z)$ with the $n$-dimensional modular group. Doklady Akademii Nauk, Tome 231 (1976) no. 5, pp. 1033-1036. http://geodesic.mathdoc.fr/item/DAN_1976_231_5_a0/