Date: Oct 27, 2012 11:02 PM
Author: Pat Ballew
Subject: seeking an exact date

I am trying to find the exact date in June 1978 that Roger Apéry gave a talk entitled "Sur l'irrationalité de ?(3)." to outline proofs that ?(3) and ?(2) were irrational.  
If anyone can provide that information I would be very grateful.