Berezin, I.S & Zhidkov, N.P <br/><br/>
Computation methods Vol 2 
I.S. Berezin & N.P. Zhidkov 
 - Moscow  Fiziko Matematicheskoi Literatur  1962 
 - 639 
<br/><br/> Russian 
<br/><br/><label>Dewey Class. No.: </label>11.01  / BERE