Sanchez, David A. <br/><br/>
Differential equations  an introduction 
David A. Sanchez, Richard C. Allen, Walter T. Kyner 
 - Reading, Mass.  Addison-Wesley  1983 
 - 516p. ill. 24cm 
<br/><br/>Includes bibliographical references 
<br/><br/><label>ISBN: </label>0201077604 
<br/><br/><label>LCCN: </label>82-16326 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations