just set docid to 1 and mathpro to 1, my favorite way to compile
Merge branch 'master' of github.com:ajholanda/psa
One further revission to the comments by Mila

This revission contains my revissed version for the second set of
corrections/comments by Mila. The most important change (really small)
by important in meaning is the change of
   $\Arv$ to $\BAmm$
back again at the end of 4th paragraph of the results section. Few
other changes are monor english details.

rr.