Stephenson, Geoff <br/><br/>
Partial differential equations for scientists and engineers 
/ by Geoff Stephenson 
 - 3rd ed. 
 - London:   Imperial college;  1996.  
 - x,161p. 
<br/><br/><label>ISBN: </label>1-86094-024-2 
<br/><br/><label>Dewey Class. No.: </label>515.353   / STE/P