?Stylizing Rigor; or, Why Mathematicians Write So Well,? Alex Csiszar, Configurations, vol. 11, no. 2, 2003, pp. 239?68. (http://muse.jhu.edu/journals/configurations/v011/11.2csiszar.html). The author explains that:
Before bothering about whether a mathematician is telling the truth, an audience needs to judge whether it is a truth worth listening to, and indeed, what worth is in the telling at all. Most mathematicians work with ideas that have no point of reference, not even via potential technological application, in most people?s lives. And the claims that mathematicians make are usually not intelligible to anyone but the expert in a particular subfield of mathematics…
(That’s an excerpt from the article “Writing Research Review (A breezy look at research on writing and reading),” published in AIR 14:2.)