Documentation Publicon Reference Special Characters
DoubleContourIntegral
\[DoubleContourIntegral]
• Compound operator. • f s is by default interpreted as ContourIntegral[f, s]. • Used to indicate integrals over closed surfaces.• See also: \[ContourIntegral] , \[Integral] .
\[DoubleContourIntegral]
f 
s is by default interpreted as ContourIntegral[f, s]. 