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@article{MS2_1984__55_166901, author = {G.J. Rieger}, title = {Zur {Kreisfigur} von {Ford} und {Speiser.}}, journal = {Mathematica Scandinavica}, pages = {22--32}, publisher = {mathdoc}, volume = {55}, year = {1984}, language = {de}, url = {http://geodesic.mathdoc.fr/item/MS2_1984__55_166901/} }
G.J. Rieger. Zur Kreisfigur von Ford und Speiser.. Mathematica Scandinavica, Tome 55 (1984), pp. 22-32. http://geodesic.mathdoc.fr/item/MS2_1984__55_166901/