Revision history of "Dupin indicatrix"
Diff selection: Mark the radio boxes of the revisions to compare and hit enter or the button at the bottom.
Legend: (cur) = difference with latest revision, (prev) = difference with preceding revision, m = minor edit.
Dupin indicatrix. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Dupin_indicatrix&oldid=53451