The [[path integral]] of a holomorphic function '''f''' around the [[bounadry]] of a simple region '''D''' is equal to the sum of [[complex residue]]s of '''f''' in the interior of '''D'''.
+
The [[path integral]] of a holomorphic function '''f''' around the [[boundary]] of a simple region '''D''' is equal to the sum of [[complex residue]]s of '''f''' in the interior of '''D'''.