@incollection{401242,
title = {Stetigkeit und Unstetigkeit in der Geometrie},
booktitle = {Mathematics throughout the ages},
series = {GDML\_Books},
publisher = {Prometheus},
address = {Praha},
year = {2001},
pages = {131-146},
language = {de},
url = {http://dml.mathdoc.fr/item/401242}
}
Klotzek, Benno. Stetigkeit und Unstetigkeit in der Geometrie, dans Mathematics throughout the ages, GDML_Books, (2001), pp. 131-146. http://gdmltest.u-ga.fr/item/401242/