Zill Dennis G. <br/><br/>
Differential Equations / With Boundary-Value Problems / 

 - 4th 
 - Mexico  Brooks/Cole Publishing Company  1997 
 - 582p 
<br/><br/><label>ISBN: </label>0534955800 
<br/><br/><label>LCCN: </label>nam a22     7a 4500 
<br/><br/><label>Dewey Class. No.: </label>515.35/ZIL/1997