Smith M.G. <br/><br/>
Introduction to the Theory of Partial Differential Equations 

 - London  D. Van Nostrand Company LTD.  1967 
 - 214p 
<br/><br/><label>LCCN: </label>nam a22     7a 4500 
<br/><br/><label>Dewey Class. No.: </label>515.353/SMI/1967