Stephenson, G <br/><br/>
Introduction to partial differential equations for science students 

 - 2nd ed. 
 - London  The English Language Book Society  1970 
 - xi,152 p. 
<br/><br/><label>ISBN: </label> PON50 
<br/><br/><label>Dewey Class. No.: </label>515.353 S44I