1. Page no. 140, line no 27. Value of i is 1,2,3,...((p-3)/2) instead of i = 1,3,5,...(2p'-1).
  2. Page no. 140, line no 31. Value of i is 2,3,4,...((p-3)/2) instead of i = 2,4,6,...2p'.
  3. Page no. 142, line no 31. It is c((q+3)/2)+j instead of c((q+3)/2)-j.
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