Lay, David C. Linear algebra and its application / David C. Lay. - 4th ed. - Boston : Addison-Wesley, 2012. - xv, 492 p. : ill. Includes bibliographical references and index. ISBN: 9780321623355 : Subjects--Topical Terms: Algebras, Linear--Textbooks. LC Class. No.: QA184.2 / .L39