The elements of real analysis / Robert G. Bartle. Bartle, Robert Gardner, 1927- Mathematical analysis. QA300 .B29 1976 517.52 BAT Includes index. Bibliography: p. 456-457. New York : Wiley, c1976. c1976. 1976 Text xv, 480 p. : http://www.loc.gov/catdir/description/wiley032/75015979.html http://www.loc.gov/catdir/toc/onix02/75015979.html eng