Trench, William F. <br/><br/>
Elementary differential equations / 
William F. Trench 
 - Australia :  Brooks/Cole,  2000 
 - xv, 605 p. :  ill. ;  26 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0534368417  RM353.56 
<br/><br/><label>LCCN: </label>99-034044 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations