@article{almqvist:1988:glr,
    author = {Almkvist, Gert and Berndt, Bruce},
     title = {Gauss, {L}anden, {R}amanujan, the arithmetic-geometric mean,
              ellipses, {$\pi$}, and the {\it {L}adies Diary}},
   journal = {Amer. Math. Monthly},
  fjournal = {The American Mathematical Monthly},
    volume = {95},
      year = {1988},
    number = {7},
     pages = {585–608},
      issn = {0002-9890},
     coden = {AMMYAE},
   mrclass = {01A50 (01A55 01A60 33A25)},
  mrnumber = {MR0966232 (89j:01028)},
mrreviewer = {R. A. Askey},
     links = {\URL[FullText]{http://links.jstor.org/sici?sici=0002-9890%28198808%2F09%2995%3A7%3C585%3AGLRTAM%3E2.0.CO%3B2-B}},
       doi = {10.2307/2323302},
     zblno = {0665.26007}}