From: Bill Dubuque on
Michiel Hazewinkel <michhaz(a)xs4all.nl> wrote:
>
> Quite a number of years ago I received a manuscript of Nico Benschop
> concerning Goldbach and Fermat (with a veiw to publication as a book
> in my series). At the time one of the main mistakes concerned the
> structure of the groups of units of the integers modulo n. I wrote
> him about it. Also I rejected the manuscript, considering it total
> nonsense. I am still of that opinion.
>
> A book on this has now been published by Springer. Most unfortunate
> (unless I am totally mistaken).

This was discussed at length on the n-category cafe blog [1].
In the final post on that page, the author (Benschop) wrote:
"everyone involved agreed to disable the book's availability untill
such correction is done (with well-known math reviewer's input)".

[1] John Baez. Springer Verlag Publishes "Proof" of Goldbach's Conjecture
http://golem.ph.utexas.edu/category/2009/06/springer_verlag_publishes_proo.html