Linear Algebra and its Applications / 
Lay David C. 
 - 3rd ed. 
 - Boston :  Pearson ,  2006. 
 - xvi,492 p.: 
<br/><br/><label>ISBN: </label>0321287134 
<br/><br/><label>LC Class. No.: </label>QA184.2  / .L39  2006