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@article{DAN_1977_236_3_a1, author = {A. B. Venkov}, title = {On the space of cusp forms for certain {Fuchsian} groups generated by reflections}, journal = {Doklady Akademii Nauk}, pages = {525--527}, publisher = {mathdoc}, volume = {236}, number = {3}, year = {1977}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1977_236_3_a1/} }
A. B. Venkov. On the space of cusp forms for certain Fuchsian groups generated by reflections. Doklady Akademii Nauk, Tome 236 (1977) no. 3, pp. 525-527. http://geodesic.mathdoc.fr/item/DAN_1977_236_3_a1/