@article{hardy:1918:afc,
    author = {Hardy, G. H. and Ramanujan, S.},
     title = {Asymptotic formulae in combinatory analysis},
   journal = {Proc. London Math. Soc. (2)},
    volume = {17},
      year = {1918},
     pages = {75–115},
      note = {Reprinted in \citet[pp.~276–309]{Ramanujan:1962:CP}.},
       doi = {10.1112/plms/s2-17.1.75},
  mrnumber = {MR2280879},
     zblno = {46.0198.02}}