Elementary differential equations and boundary value problems / 

 - Twelfth edition 
 - Hoboken, NJ :  Wiley,  c2022. 
 - xvi, 719 pages :   illustrations (some color) ;   28cm xvi, 719 pages : illustrations (some color) ; 28cm 
<br/><br/><label>ISBN: </label>9781119820512 [paperback] 
<br/><br/><label>Dewey Class. No.: </label>REF 515.35 B69 2022