From: &noreply@axelvogt.de   
      
   The book says: Int( exp(-x*a) * BesselI(0, b*sqrt(-x^2+1)), x = -1 .. 1) =   
   = 2*sinh(a^2+b^2)/sqrt(a^2+b^2)   
      
   For a=0 I obtain that it is 2*sinh(b)/b, using Maple (sketch: write Bessel   
   as series and integrate termwise; evaluating the infinite series gives it).   
   Numerical tests do confirm that.   
      
   Is somebody aware of the root of the proof in G&R (can not find an erratum,   
   but some usage of the formula) to eliminate the possible typo?   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)