@article {qbin,
    AUTHOR = {Sch{\"u}tzenberger, Marcel Paul},
     TITLE = {Une interpr\'etation de certaines solutions de l'\'equation
              fonctionnelle: {$F(x+y)=F(x)F(y)$}},
   JOURNAL = {C. R. Acad. Sci. Paris},
    VOLUME = {236},
      YEAR = {1953},
     PAGES = {352--353},
}