@book{hardy:1979:itn,
    author = {Hardy, G. H. and Wright, E. M.},
     title = {An Introduction to the Theory of Numbers},
   edition = {5th},
 publisher = {The Clarendon Press Oxford University Press},
   address = {New York-Oxford},
      year = {1979},
     pages = {xvi+426},
      isbn = {0-19-853170-2; 0-19-853171-0},
   mrclass = {10-01},
  mrnumber = {MR0568909 (81i:10002)},
mrreviewer = {T. M. Apostol},
     zblno = {0423.10001}}