Differential equations/ 
Paul Blanchard...[et al.]. 
 - Custom ed. 
 - Ontario:  Nelson Education,  2009. 
 - 805p.; 
<br/><br/><label>ISBN: </label>9780176477998 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Equations.
<br/><br/><label>LC Class. No.: </label>QA.371 .B63 2009