Corollary

Tag 09IA, permanent. Cite it as [Bourbaki, Tag 09IA].

Integration, chapter VIII, § 1. Convolution

If $\varphi$ is continuous and the $\mu_i$ have compact support, then the $\mu_i$ are convolvable and $*_{i} \mu_i$ has compact support.

Bourbaki puts the proof directly after the statement, so what is above is the statement and its proof together.

Cited by

Nothing.