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@article{FAA_1994_28_4_a4, author = {O. V. Schwarzman}, title = {On {Fuchsian} {Groups} of {Genus} {Zero}}, journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a}, pages = {66--73}, publisher = {mathdoc}, volume = {28}, number = {4}, year = {1994}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/FAA_1994_28_4_a4/} }
O. V. Schwarzman. On Fuchsian Groups of Genus Zero. Funkcionalʹnyj analiz i ego priloženiâ, Tome 28 (1994) no. 4, pp. 66-73. http://geodesic.mathdoc.fr/item/FAA_1994_28_4_a4/