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@article{ELMA_1983__38_141311, author = {Wilhelm Vetter}, title = {Das {Gegenst\"uck} zu logarithmischen {Spirale} in der ebenen isotrpen {Geometrie.}}, journal = {Elemente der Mathematik}, pages = {61--69}, publisher = {mathdoc}, volume = {38}, year = {1983}, zbl = {0512.53001}, url = {http://geodesic.mathdoc.fr/item/ELMA_1983__38_141311/} }
Wilhelm Vetter. Das Gegenstück zu logarithmischen Spirale in der ebenen isotrpen Geometrie.. Elemente der Mathematik, Tome 38 (1983), pp. 61-69. http://geodesic.mathdoc.fr/item/ELMA_1983__38_141311/