@book{serre:1973:ca,
    author = {Serre, J.-P.},
     title = {A Course in Arithmetic},
      note = {Translated from the French.},
    series = {Graduate Texts in Mathematics},
    volume = {7},
 publisher = {Springer-Verlag},
   address = {New York},
      year = {1973},
     pages = {viii+115},
   mrclass = {12-02 (10CXX 10DXX)},
  mrnumber = {MR0344216 (49 \#8956)},
     zblno = {0256.12001}}