Everitt W.N <br/><br/>
Elliptic Partial Differential Operators and Symplectic Algebra  Memoirs of the American Mathematical Society  Vol-770 
/ by W.N.Everitt 
 - America  American Mathematical Society  2003 
 - 111p. 
<br/><br/><label>ISBN: </label>0821832352 
<br/><br/><label>Dewey Class. No.: </label>515.7242  / EVE/E