Zill, Dennis G. <br/><br/>
Differential equations with boundary-value problems / 
Dennis G. Zill,  Michael R. Cullen 
 - 7th ed. / 
 - Belmont, CA :  Brooks/Cole,  c2009 
 - xv, 526, 23, 30, 9 p.  :  ill. (some col.) ;  29 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>9780495556237 0495556238 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations<br/>Boundary value problems