@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/