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This page needs to be expanded more. For instance: http://www-groups.dcs.st-and.ac.uk/~history/Biographies/Ricci-Curbastro.html —Preceding unsigned comment added by 69.243.24.18 ( talk) 03:06, 2 April 2009 (UTC) reply

The contributions of Riemann and Christoffel have been denied when the "inventor" is spoken of.

An image is on Italian Wikipedia, but it may not be public domain universally. Furthermore, the Italian article has more information, if anyone knows how to translate. - Craig Pemberton ( talk) 19:58, 16 October 2009 (UTC) reply