Scheid, Francis J. Elements of finite mathematics / Francis J. Scheid. - London : Addison-Wesley, c 1962. - vii, 279 p. : ills. ; 24 cm. - Addison-Wesley Series in introductory mathematics. . Includes index. 66 66 Subjects--Topical Terms: Mathematics.Algebra. Dewey Class. No.: 517.6 / S25e