@book{uspensky:1939:ent,
    author = {Uspensky, J. V. and Heaslet, M. A.},
     title = {Elementary Number Theory},
 publisher = {McGraw-Hill Book Company, Inc.},
   address = {New York},
      year = {1939},
     pages = {x+484},
   mrclass = {10.0X},
  mrnumber = {MR0000236 (1,38d)},
mrreviewer = {D. H. Lehmer},
     zblno = {0024.24702}}