I'm trying to learn a bit about Grauert Tubes, and in my reading I frequently encounter references to a result of Bruhat-Whitney in this paper: "Quelques propriétés fondamentales des ensembles analytiques-réels." I'd like to understand this existence of complexifications more concretely, but unfortunately I cannot read french. Does anyone have recommendations for where I can read more about their proof?
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2$\begingroup$ See comments at Off-diagonal holomorphic extension of real analytic functions on $\mathbb{C}^n \times\mathbb{C}^n$ $\endgroup$– Francois ZieglerAug 14, 2017 at 18:44
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$\begingroup$ Hi, thank you very much! This is just what I was looking for. $\endgroup$– Hadrian QuanAug 15, 2017 at 19:50
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