@book{niven:1991:itn,
    author = {Niven, Ivan and Zuckerman, Herbert S. and Montgomery, Hugh L.},
     title = {An Introduction to the Theory of Numbers},
   edition = {5th},
 publisher = {John Wiley \& Sons Inc.},
   address = {New York},
      year = {1991},
     pages = {xiv+529},
      isbn = {0-471-62546-9},
   mrclass = {11-01},
  mrnumber = {MR1083765 (91i:11001)},
     zblno = {0742.11001}}