Lange, Lester H. Elementary linear algebra; a first course on the theory of vector spaces and matrices, with introductory comments on the theory of groups and other mathematical systems/ L. H. Lange. - New York: Wiley, [1968]. - xiii, 380 p.: illus., 23 cm. LCCN: 67031182 Nat. Bib. No.: GB68-14414 Subjects--Topical Terms: Algebras, Linear.Algebra Linear. Dewey Class. No.: 512.897 / L274e