Stephenson, G. <br/><br/>
An introduction to Partial Differential equations for Science Students 
Stephenson, G. 
 - second 
 - London  Longman  1970 
 - 416  Illustration & index 
<br/><br/><label>ISBN: </label>582444314 
<br/><br/><label>Dewey Class. No.: </label>515  / St451