Encounters with algebra / Thomas Carnevale, Robert Shloming ; [cover photo by David Attie]. Carnevale, Thomas. Shloming, Robert. Algebra. QA152.2 .C38 512 19 CAE Includes index. New York : Harcourt Brace Jovanovich, c1981. c1981. 1981 Text xiii, 480 p. : eng