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