@book{grosswald:1985:ris,
    author = {Grosswald, Emil},
     title = {Representations of Integers as Sums of Squares},
 publisher = {Springer-Verlag},
   address = {New York},
      year = {1985},
     pages = {xi+251},
      isbn = {0-387-96126-7},
   mrclass = {11-01 (11D85 11E25 11P05)},
  mrnumber = {MR0803155 (87g:11002)},
mrreviewer = {Harvey Cohn},
     zblno = {0574.10045}}