Proposition 1
Tag 08JB, permanent. Cite it as [Bourbaki, Tag 08JB].
Functions of a Real Variable, chapter VII, § 2. THE GAMMA FUNCTION IN THE COMPLEX DOMAIN
For every complex one has
(the complements' relation).
Bourbaki puts the proof directly after the statement, so what is above is the statement and its proof together.
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Cites
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